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Finding the Fourth Proportional to 337.46, 465.68 and 197.60

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Solution

The fourth proportional to 337.46, 465.68 and 197.60 is: 272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.46 : 465.68 = 197.60 : x
  2. Step 2: Convert to fraction form
    337.46/465.68 = 197.60/x
  3. Step 3: Cross multiply
    337.46x = 465.68 × 197.60
  4. Step 4: Simplify right side
    337.46x = 92,017.38
  5. Step 5: Solve for x
    x = 92,017.38/337.46
  6. Step 6: Final answer
    x = 272.68

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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.