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Finding the Fourth Proportional to 562.22, 843.17 and 356.50

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Solution

The fourth proportional to 562.22, 843.17 and 356.50 is: 534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.22 : 843.17 = 356.50 : x
  2. Step 2: Convert to fraction form
    562.22/843.17 = 356.50/x
  3. Step 3: Cross multiply
    562.22x = 843.17 × 356.50
  4. Step 4: Simplify right side
    562.22x = 300,585.89
  5. Step 5: Solve for x
    x = 300,585.89/562.22
  6. Step 6: Final answer
    x = 534.65

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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.