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Finding the Fourth Proportional to 562.74, 843.92 and 238.02

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Solution

The fourth proportional to 562.74, 843.92 and 238.02 is: 356.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.74 : 843.92 = 238.02 : x
  2. Step 2: Convert to fraction form
    562.74/843.92 = 238.02/x
  3. Step 3: Cross multiply
    562.74x = 843.92 × 238.02
  4. Step 4: Simplify right side
    562.74x = 200,869.84
  5. Step 5: Solve for x
    x = 200,869.84/562.74
  6. Step 6: Final answer
    x = 356.95

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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.