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Finding the Fourth Proportional to 562.62, 843.88 and 356.59

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Solution

The fourth proportional to 562.62, 843.88 and 356.59 is: 534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.62 : 843.88 = 356.59 : x
  2. Step 2: Convert to fraction form
    562.62/843.88 = 356.59/x
  3. Step 3: Cross multiply
    562.62x = 843.88 × 356.59
  4. Step 4: Simplify right side
    562.62x = 300,919.17
  5. Step 5: Solve for x
    x = 300,919.17/562.62
  6. Step 6: Final answer
    x = 534.85

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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.