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Finding the Fourth Proportional to 562.85, 844.16 and 197.60

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Solution

The fourth proportional to 562.85, 844.16 and 197.60 is: 296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.85 : 844.16 = 197.60 : x
  2. Step 2: Convert to fraction form
    562.85/844.16 = 197.60/x
  3. Step 3: Cross multiply
    562.85x = 844.16 × 197.60
  4. Step 4: Simplify right side
    562.85x = 166,806.02
  5. Step 5: Solve for x
    x = 166,806.02/562.85
  6. Step 6: Final answer
    x = 296.36

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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.