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Finding the Fourth Proportional to 337.68, 465.96 and 197.82

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Solution

The fourth proportional to 337.68, 465.96 and 197.82 is: 272.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.68 : 465.96 = 197.82 : x
  2. Step 2: Convert to fraction form
    337.68/465.96 = 197.82/x
  3. Step 3: Cross multiply
    337.68x = 465.96 × 197.82
  4. Step 4: Simplify right side
    337.68x = 92,176.21
  5. Step 5: Solve for x
    x = 92,176.21/337.68
  6. Step 6: Final answer
    x = 272.97

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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.