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: [225.005, 77.471, -47.328, -83.734, -80.38, 79.714, 89.987]
Example Output: [ 0.863  0.297 -0.182 -0.321 -0.308  0.306  0.345]

Example Input: [-90.478, 206.887]
Example Output: [-0.777  1.777]

Example Input: [80.976, 99.889, 106.997]
Example Output:
[0.281 0.347 0.372]