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: [-1.221, -57.825, 88.968, 237.724, 173.581, -67.349]
Example Output: [-0.003 -0.155  0.238  0.636  0.464 -0.18 ]

Example Input: [175.223, -83.296, -47.013]
Example Output: [ 3.901 -1.855 -1.047]

Example Input: [225.23, 235.174, -75.765, -34.45, -38.291, 213.484]
Example Output:
[ 0.429  0.448 -0.144 -0.066 -0.073  0.406]