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Finding the Fourth Proportional to 562.60, 843.44 and 356.74

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Solution

The fourth proportional to 562.60, 843.44 and 356.74 is: 534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.60 : 843.44 = 356.74 : x
  2. Step 2: Convert to fraction form
    562.60/843.44 = 356.74/x
  3. Step 3: Cross multiply
    562.60x = 843.44 × 356.74
  4. Step 4: Simplify right side
    562.60x = 300,888.79
  5. Step 5: Solve for x
    x = 300,888.79/562.60
  6. Step 6: Final answer
    x = 534.82

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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.