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Finding the Fourth Proportional to 337.79, 466.15 and 197.91

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Solution

The fourth proportional to 337.79, 466.15 and 197.91 is: 273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.79 : 466.15 = 197.91 : x
  2. Step 2: Convert to fraction form
    337.79/466.15 = 197.91/x
  3. Step 3: Cross multiply
    337.79x = 466.15 × 197.91
  4. Step 4: Simplify right side
    337.79x = 92,255.99
  5. Step 5: Solve for x
    x = 92,255.99/337.79
  6. Step 6: Final answer
    x = 273.12

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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.