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Finding the Fourth Proportional to 951.92, 1,313.54 and 532.29

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Solution

The fourth proportional to 951.92, 1,313.54 and 532.29 is: 734.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.92 : 1,313.54 = 532.29 : x
  2. Step 2: Convert to fraction form
    951.92/1,313.54 = 532.29/x
  3. Step 3: Cross multiply
    951.92x = 1,313.54 × 532.29
  4. Step 4: Simplify right side
    951.92x = 699,177.64
  5. Step 5: Solve for x
    x = 699,177.64/951.92
  6. Step 6: Final answer
    x = 734.50

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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.