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Finding the Fourth Proportional to 337.96, 466.50 and 306.76

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Solution

The fourth proportional to 337.96, 466.50 and 306.76 is: 423.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.96 : 466.50 = 306.76 : x
  2. Step 2: Convert to fraction form
    337.96/466.50 = 306.76/x
  3. Step 3: Cross multiply
    337.96x = 466.50 × 306.76
  4. Step 4: Simplify right side
    337.96x = 143,103.54
  5. Step 5: Solve for x
    x = 143,103.54/337.96
  6. Step 6: Final answer
    x = 423.43

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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.