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Finding the Fourth Proportional to 951.90, 1,313.58 and 532.27

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Solution

The fourth proportional to 951.90, 1,313.58 and 532.27 is: 734.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.90 : 1,313.58 = 532.27 : x
  2. Step 2: Convert to fraction form
    951.90/1,313.58 = 532.27/x
  3. Step 3: Cross multiply
    951.90x = 1,313.58 × 532.27
  4. Step 4: Simplify right side
    951.90x = 699,176.57
  5. Step 5: Solve for x
    x = 699,176.57/951.90
  6. Step 6: Final answer
    x = 734.51

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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.