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Finding the Fourth Proportional to 547,471.38, 750,023.18 and 527,003.10

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Solution

The fourth proportional to 547,471.38, 750,023.18 and 527,003.10 is: 721,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,471.38 : 750,023.18 = 527,003.10 : x
  2. Step 2: Convert to fraction form
    547,471.38/750,023.18 = 527,003.10/x
  3. Step 3: Cross multiply
    547,471.38x = 750,023.18 × 527,003.10
  4. Step 4: Simplify right side
    547,471.38x = 395,264,544,124.42
  5. Step 5: Solve for x
    x = 395,264,544,124.42/547,471.38
  6. Step 6: Final answer
    x = 721,982.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.