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: [-33.478, -42.164, 31.396]
Example Output: [ 0.757  0.953 -0.71 ]

Example Input: [47.126, 25.781]
Example Output: [0.646 0.354]

Example Input: [155.911, 106.506, 225.124, 155.838, 181.174, 131.064, 36.503]
Example Output:
[0.157 0.107 0.227 0.157 0.183 0.132 0.037]