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Finding the Fourth Proportional to 951.76, 1,313.46 and 532.12

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Solution

The fourth proportional to 951.76, 1,313.46 and 532.12 is: 734.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.76 : 1,313.46 = 532.12 : x
  2. Step 2: Convert to fraction form
    951.76/1,313.46 = 532.12/x
  3. Step 3: Cross multiply
    951.76x = 1,313.46 × 532.12
  4. Step 4: Simplify right side
    951.76x = 698,918.34
  5. Step 5: Solve for x
    x = 698,918.34/951.76
  6. Step 6: Final answer
    x = 734.34

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Double scale
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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.