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Finding the Fourth Proportional to 527,251.65, 792,139.18 and 338,082.64

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Solution

The fourth proportional to 527,251.65, 792,139.18 and 338,082.64 is: 507,932.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,251.65 : 792,139.18 = 338,082.64 : x
  2. Step 2: Convert to fraction form
    527,251.65/792,139.18 = 338,082.64/x
  3. Step 3: Cross multiply
    527,251.65x = 792,139.18 × 338,082.64
  4. Step 4: Simplify right side
    527,251.65x = 267,808,503,241.49
  5. Step 5: Solve for x
    x = 267,808,503,241.49/527,251.65
  6. Step 6: Final answer
    x = 507,932.99

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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.