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Finding the Fourth Proportional to 337.68, 466.08 and 197.76

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Solution

The fourth proportional to 337.68, 466.08 and 197.76 is: 272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.68 : 466.08 = 197.76 : x
  2. Step 2: Convert to fraction form
    337.68/466.08 = 197.76/x
  3. Step 3: Cross multiply
    337.68x = 466.08 × 197.76
  4. Step 4: Simplify right side
    337.68x = 92,171.98
  5. Step 5: Solve for x
    x = 92,171.98/337.68
  6. Step 6: Final answer
    x = 272.96

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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.