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Finding the Fourth Proportional to 337.48, 465.73 and 197.64

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Solution

The fourth proportional to 337.48, 465.73 and 197.64 is: 272.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.48 : 465.73 = 197.64 : x
  2. Step 2: Convert to fraction form
    337.48/465.73 = 197.64/x
  3. Step 3: Cross multiply
    337.48x = 465.73 × 197.64
  4. Step 4: Simplify right side
    337.48x = 92,047.49
  5. Step 5: Solve for x
    x = 92,047.49/337.48
  6. Step 6: Final answer
    x = 272.75

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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.