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Finding the Fourth Proportional to 334.89, 462.30 and 240.44

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Solution

The fourth proportional to 334.89, 462.30 and 240.44 is: 331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.89 : 462.30 = 240.44 : x
  2. Step 2: Convert to fraction form
    334.89/462.30 = 240.44/x
  3. Step 3: Cross multiply
    334.89x = 462.30 × 240.44
  4. Step 4: Simplify right side
    334.89x = 111,153.10
  5. Step 5: Solve for x
    x = 111,153.10/334.89
  6. Step 6: Final answer
    x = 331.91

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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.