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Finding the Fourth Proportional to 562.70, 844.05 and 197.48

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Solution

The fourth proportional to 562.70, 844.05 and 197.48 is: 296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.70 : 844.05 = 197.48 : x
  2. Step 2: Convert to fraction form
    562.70/844.05 = 197.48/x
  3. Step 3: Cross multiply
    562.70x = 844.05 × 197.48
  4. Step 4: Simplify right side
    562.70x = 166,678.77
  5. Step 5: Solve for x
    x = 166,678.77/562.70
  6. Step 6: Final answer
    x = 296.22

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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.