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Finding the Fourth Proportional to 337.43, 465.81 and 213.27

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Solution

The fourth proportional to 337.43, 465.81 and 213.27 is: 294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.43 : 465.81 = 213.27 : x
  2. Step 2: Convert to fraction form
    337.43/465.81 = 213.27/x
  3. Step 3: Cross multiply
    337.43x = 465.81 × 213.27
  4. Step 4: Simplify right side
    337.43x = 99,343.30
  5. Step 5: Solve for x
    x = 99,343.30/337.43
  6. Step 6: Final answer
    x = 294.42

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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.