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Finding the Fourth Proportional to 337.80, 466.12 and 197.92

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Solution

The fourth proportional to 337.80, 466.12 and 197.92 is: 273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.80 : 466.12 = 197.92 : x
  2. Step 2: Convert to fraction form
    337.80/466.12 = 197.92/x
  3. Step 3: Cross multiply
    337.80x = 466.12 × 197.92
  4. Step 4: Simplify right side
    337.80x = 92,254.47
  5. Step 5: Solve for x
    x = 92,254.47/337.80
  6. Step 6: Final answer
    x = 273.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.