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Finding the Fourth Proportional to 337.81, 466.20 and 197.98

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Solution

The fourth proportional to 337.81, 466.20 and 197.98 is: 273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.81 : 466.20 = 197.98 : x
  2. Step 2: Convert to fraction form
    337.81/466.20 = 197.98/x
  3. Step 3: Cross multiply
    337.81x = 466.20 × 197.98
  4. Step 4: Simplify right side
    337.81x = 92,298.28
  5. Step 5: Solve for x
    x = 92,298.28/337.81
  6. Step 6: Final answer
    x = 273.23

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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.