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Finding the Fourth Proportional to 337.78, 466.29 and 239.59

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Solution

The fourth proportional to 337.78, 466.29 and 239.59 is: 330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.78 : 466.29 = 239.59 : x
  2. Step 2: Convert to fraction form
    337.78/466.29 = 239.59/x
  3. Step 3: Cross multiply
    337.78x = 466.29 × 239.59
  4. Step 4: Simplify right side
    337.78x = 111,718.42
  5. Step 5: Solve for x
    x = 111,718.42/337.78
  6. Step 6: Final answer
    x = 330.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.