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Finding the Fourth Proportional to 562.04, 843.10 and 191.73

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Solution

The fourth proportional to 562.04, 843.10 and 191.73 is: 287.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.04 : 843.10 = 191.73 : x
  2. Step 2: Convert to fraction form
    562.04/843.10 = 191.73/x
  3. Step 3: Cross multiply
    562.04x = 843.10 × 191.73
  4. Step 4: Simplify right side
    562.04x = 161,645.50
  5. Step 5: Solve for x
    x = 161,645.50/562.04
  6. Step 6: Final answer
    x = 287.61

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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.