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Finding the Fourth Proportional to 527,251.90, 792,139.56 and 338,082.89

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Solution

The fourth proportional to 527,251.90, 792,139.56 and 338,082.89 is: 507,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,251.90 : 792,139.56 = 338,082.89 : x
  2. Step 2: Convert to fraction form
    527,251.90/792,139.56 = 338,082.89/x
  3. Step 3: Cross multiply
    527,251.90x = 792,139.56 × 338,082.89
  4. Step 4: Simplify right side
    527,251.90x = 267,808,828,057.37
  5. Step 5: Solve for x
    x = 267,808,828,057.37/527,251.90
  6. Step 6: Final answer
    x = 507,933.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.