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Finding the Fourth Proportional to 526,593.40, 726,697.31 and 284,875.92

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Solution

The fourth proportional to 526,593.40, 726,697.31 and 284,875.92 is: 393,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,593.40 : 726,697.31 = 284,875.92 : x
  2. Step 2: Convert to fraction form
    526,593.40/726,697.31 = 284,875.92/x
  3. Step 3: Cross multiply
    526,593.40x = 726,697.31 × 284,875.92
  4. Step 4: Simplify right side
    526,593.40x = 207,018,564,747.78
  5. Step 5: Solve for x
    x = 207,018,564,747.78/526,593.40
  6. Step 6: Final answer
    x = 393,127.91

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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.