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Finding the Fourth Proportional to 337.58, 465.68 and 197.65

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Solution

The fourth proportional to 337.58, 465.68 and 197.65 is: 272.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.58 : 465.68 = 197.65 : x
  2. Step 2: Convert to fraction form
    337.58/465.68 = 197.65/x
  3. Step 3: Cross multiply
    337.58x = 465.68 × 197.65
  4. Step 4: Simplify right side
    337.58x = 92,042.73
  5. Step 5: Solve for x
    x = 92,042.73/337.58
  6. Step 6: Final answer
    x = 272.66

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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.