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Finding the Fourth Proportional to 418,508.96, 577,553.76 and 227,535.52

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Solution

The fourth proportional to 418,508.96, 577,553.76 and 227,535.52 is: 314,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,508.96 : 577,553.76 = 227,535.52 : x
  2. Step 2: Convert to fraction form
    418,508.96/577,553.76 = 227,535.52/x
  3. Step 3: Cross multiply
    418,508.96x = 577,553.76 × 227,535.52
  4. Step 4: Simplify right side
    418,508.96x = 131,413,995,109.56
  5. Step 5: Solve for x
    x = 131,413,995,109.56/418,508.96
  6. Step 6: Final answer
    x = 314,005.21

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1.5x scale

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.