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Finding the Fourth Proportional to 562.20, 843.30 and 237.56

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Solution

The fourth proportional to 562.20, 843.30 and 237.56 is: 356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.20 : 843.30 = 237.56 : x
  2. Step 2: Convert to fraction form
    562.20/843.30 = 237.56/x
  3. Step 3: Cross multiply
    562.20x = 843.30 × 237.56
  4. Step 4: Simplify right side
    562.20x = 200,334.35
  5. Step 5: Solve for x
    x = 200,334.35/562.20
  6. Step 6: Final answer
    x = 356.34

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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.