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Finding the Fourth Proportional to 337.13, 465.26 and 189.74

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Solution

The fourth proportional to 337.13, 465.26 and 189.74 is: 261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.13 : 465.26 = 189.74 : x
  2. Step 2: Convert to fraction form
    337.13/465.26 = 189.74/x
  3. Step 3: Cross multiply
    337.13x = 465.26 × 189.74
  4. Step 4: Simplify right side
    337.13x = 88,278.43
  5. Step 5: Solve for x
    x = 88,278.43/337.13
  6. Step 6: Final answer
    x = 261.85

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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.