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Finding the Fourth Proportional to 337.52, 465.74 and 197.61

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Solution

The fourth proportional to 337.52, 465.74 and 197.61 is: 272.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.52 : 465.74 = 197.61 : x
  2. Step 2: Convert to fraction form
    337.52/465.74 = 197.61/x
  3. Step 3: Cross multiply
    337.52x = 465.74 × 197.61
  4. Step 4: Simplify right side
    337.52x = 92,037.49
  5. Step 5: Solve for x
    x = 92,037.49/337.52
  6. Step 6: Final answer
    x = 272.69

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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.