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Finding the Fourth Proportional to 333.92, 461.80 and 292.41

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Solution

The fourth proportional to 333.92, 461.80 and 292.41 is: 404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.92 : 461.80 = 292.41 : x
  2. Step 2: Convert to fraction form
    333.92/461.80 = 292.41/x
  3. Step 3: Cross multiply
    333.92x = 461.80 × 292.41
  4. Step 4: Simplify right side
    333.92x = 135,035.30
  5. Step 5: Solve for x
    x = 135,035.30/333.92
  6. Step 6: Final answer
    x = 404.39

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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.