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: [-69.316, 176.216, -54.976]
Example Output: [-1.335  3.394 -1.059]

Example Input: [-43.629, 123.469, -79.775, 197.631]
Example Output: [-0.221  0.625 -0.404  1.   ]

Example Input: [150.991, -9.009, 200.033]
Example Output:
[ 0.441 -0.026  0.585]