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: [-46.5, 4.215, 105.396, 76.508]
Example Output: [-0.333  0.03   0.755  0.548]

Example Input: [125.35, -10.076]
Example Output: [ 1.087 -0.087]

Example Input: [163.106, -62.008]
Example Output:
[ 1.613 -0.613]