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Finding the Fourth Proportional to 585,472.11, 807,505.71 and 503,939.13

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Solution

The fourth proportional to 585,472.11, 807,505.71 and 503,939.13 is: 695,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,472.11 : 807,505.71 = 503,939.13 : x
  2. Step 2: Convert to fraction form
    585,472.11/807,505.71 = 503,939.13/x
  3. Step 3: Cross multiply
    585,472.11x = 807,505.71 × 503,939.13
  4. Step 4: Simplify right side
    585,472.11x = 406,933,722,884.17
  5. Step 5: Solve for x
    x = 406,933,722,884.17/585,472.11
  6. Step 6: Final answer
    x = 695,052.28

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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.