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Finding the Fourth Proportional to 527,882.20, 741,134.60 and 527,882.20

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Solution

The fourth proportional to 527,882.20, 741,134.60 and 527,882.20 is: 741,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,882.20 : 741,134.60 = 527,882.20 : x
  2. Step 2: Convert to fraction form
    527,882.20/741,134.60 = 527,882.20/x
  3. Step 3: Cross multiply
    527,882.20x = 741,134.60 × 527,882.20
  4. Step 4: Simplify right side
    527,882.20x = 391,231,763,144.12
  5. Step 5: Solve for x
    x = 391,231,763,144.12/527,882.20
  6. Step 6: Final answer
    x = 741,134.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.