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Finding the Fourth Proportional to 657,057.56, 906,737.69 and 366,666.08

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Solution

The fourth proportional to 657,057.56, 906,737.69 and 366,666.08 is: 505,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,057.56 : 906,737.69 = 366,666.08 : x
  2. Step 2: Convert to fraction form
    657,057.56/906,737.69 = 366,666.08/x
  3. Step 3: Cross multiply
    657,057.56x = 906,737.69 × 366,666.08
  4. Step 4: Simplify right side
    657,057.56x = 332,469,950,763.53
  5. Step 5: Solve for x
    x = 332,469,950,763.53/657,057.56
  6. Step 6: Final answer
    x = 505,998.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.