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: [226.341, 48.673, 137.819]
Example Output: [0.548 0.118 0.334]

Example Input: [-79.68, -74.99, -50.058, 40.041, 249.062, 30.0, 97.145, 50.395]
Example Output: [-0.304 -0.286 -0.191  0.153  0.951  0.115  0.371  0.192]

Example Input: [-45.122, 230.678, 85.444]
Example Output:
[-0.167  0.851  0.315]