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Finding the Fourth Proportional to 562.28, 843.56 and 177.52

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Solution

The fourth proportional to 562.28, 843.56 and 177.52 is: 266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.28 : 843.56 = 177.52 : x
  2. Step 2: Convert to fraction form
    562.28/843.56 = 177.52/x
  3. Step 3: Cross multiply
    562.28x = 843.56 × 177.52
  4. Step 4: Simplify right side
    562.28x = 149,748.77
  5. Step 5: Solve for x
    x = 149,748.77/562.28
  6. Step 6: Final answer
    x = 266.32

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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.