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Finding the Fourth Proportional to 562.42, 843.68 and 197.26

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Solution

The fourth proportional to 562.42, 843.68 and 197.26 is: 295.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.42 : 843.68 = 197.26 : x
  2. Step 2: Convert to fraction form
    562.42/843.68 = 197.26/x
  3. Step 3: Cross multiply
    562.42x = 843.68 × 197.26
  4. Step 4: Simplify right side
    562.42x = 166,424.32
  5. Step 5: Solve for x
    x = 166,424.32/562.42
  6. Step 6: Final answer
    x = 295.91

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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.