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Finding the Fourth Proportional to 337.11, 465.24 and 189.79

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Solution

The fourth proportional to 337.11, 465.24 and 189.79 is: 261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.11 : 465.24 = 189.79 : x
  2. Step 2: Convert to fraction form
    337.11/465.24 = 189.79/x
  3. Step 3: Cross multiply
    337.11x = 465.24 × 189.79
  4. Step 4: Simplify right side
    337.11x = 88,300.07
  5. Step 5: Solve for x
    x = 88,300.07/337.11
  6. Step 6: Final answer
    x = 261.93

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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.