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Finding the Fourth Proportional to 562.14, 843.18 and 151.26

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Solution

The fourth proportional to 562.14, 843.18 and 151.26 is: 226.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.14 : 843.18 = 151.26 : x
  2. Step 2: Convert to fraction form
    562.14/843.18 = 151.26/x
  3. Step 3: Cross multiply
    562.14x = 843.18 × 151.26
  4. Step 4: Simplify right side
    562.14x = 127,539.41
  5. Step 5: Solve for x
    x = 127,539.41/562.14
  6. Step 6: Final answer
    x = 226.88

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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.