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Finding the Fourth Proportional to 337.10, 465.21 and 197.24

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Solution

The fourth proportional to 337.10, 465.21 and 197.24 is: 272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.10 : 465.21 = 197.24 : x
  2. Step 2: Convert to fraction form
    337.10/465.21 = 197.24/x
  3. Step 3: Cross multiply
    337.10x = 465.21 × 197.24
  4. Step 4: Simplify right side
    337.10x = 91,755.69
  5. Step 5: Solve for x
    x = 91,755.69/337.10
  6. Step 6: Final answer
    x = 272.20

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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.