In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.

Example Input: [-61.481, 118.712, 225.807, 228.406, -78.738, -19.418, 35.621]
Example Output: [-0.137  0.264  0.503  0.509 -0.175 -0.043  0.079]

Example Input: [96.015, 37.466, -40.719, 98.276, -87.995, 189.755, 126.983]
Example Output: [ 0.229  0.089 -0.097  0.234 -0.21   0.452  0.302]

Example Input: [-13.917, -32.062, 117.003, 92.05, 149.974, -62.432, -35.13, 67.186, 91.658, -75.797]
Example Output:
[-0.047 -0.107  0.392  0.308  0.502 -0.209 -0.118  0.225  0.307 -0.254]