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Finding the Fourth Proportional to 951.77, 1,425.56 and 585.44

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Solution

The fourth proportional to 951.77, 1,425.56 and 585.44 is: 876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.77 : 1,425.56 = 585.44 : x
  2. Step 2: Convert to fraction form
    951.77/1,425.56 = 585.44/x
  3. Step 3: Cross multiply
    951.77x = 1,425.56 × 585.44
  4. Step 4: Simplify right side
    951.77x = 834,584.87
  5. Step 5: Solve for x
    x = 834,584.87/951.77
  6. Step 6: Final answer
    x = 876.88

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Double scale
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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.