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Finding the Fourth Proportional to 562.68, 843.90 and 237.96

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Solution

The fourth proportional to 562.68, 843.90 and 237.96 is: 356.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.68 : 843.90 = 237.96 : x
  2. Step 2: Convert to fraction form
    562.68/843.90 = 237.96/x
  3. Step 3: Cross multiply
    562.68x = 843.90 × 237.96
  4. Step 4: Simplify right side
    562.68x = 200,814.44
  5. Step 5: Solve for x
    x = 200,814.44/562.68
  6. Step 6: Final answer
    x = 356.89

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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.