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Finding the Fourth Proportional to 932.52, 1,397.94 and 546.96

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Solution

The fourth proportional to 932.52, 1,397.94 and 546.96 is: 819.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.52 : 1,397.94 = 546.96 : x
  2. Step 2: Convert to fraction form
    932.52/1,397.94 = 546.96/x
  3. Step 3: Cross multiply
    932.52x = 1,397.94 × 546.96
  4. Step 4: Simplify right side
    932.52x = 764,617.26
  5. Step 5: Solve for x
    x = 764,617.26/932.52
  6. Step 6: Final answer
    x = 819.95

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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.