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Finding the Fourth Proportional to 337.24, 465.38 and 197.40

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Solution

The fourth proportional to 337.24, 465.38 and 197.40 is: 272.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.24 : 465.38 = 197.40 : x
  2. Step 2: Convert to fraction form
    337.24/465.38 = 197.40/x
  3. Step 3: Cross multiply
    337.24x = 465.38 × 197.40
  4. Step 4: Simplify right side
    337.24x = 91,866.01
  5. Step 5: Solve for x
    x = 91,866.01/337.24
  6. Step 6: Final answer
    x = 272.41

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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.