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Finding the Fourth Proportional to 562.97, 844.85 and 197.79

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Solution

The fourth proportional to 562.97, 844.85 and 197.79 is: 296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.97 : 844.85 = 197.79 : x
  2. Step 2: Convert to fraction form
    562.97/844.85 = 197.79/x
  3. Step 3: Cross multiply
    562.97x = 844.85 × 197.79
  4. Step 4: Simplify right side
    562.97x = 167,102.88
  5. Step 5: Solve for x
    x = 167,102.88/562.97
  6. Step 6: Final answer
    x = 296.82

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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.