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Finding the Fourth Proportional to 562.22, 843.37 and 197.10

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Solution

The fourth proportional to 562.22, 843.37 and 197.10 is: 295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.22 : 843.37 = 197.10 : x
  2. Step 2: Convert to fraction form
    562.22/843.37 = 197.10/x
  3. Step 3: Cross multiply
    562.22x = 843.37 × 197.10
  4. Step 4: Simplify right side
    562.22x = 166,228.23
  5. Step 5: Solve for x
    x = 166,228.23/562.22
  6. Step 6: Final answer
    x = 295.66

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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.