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Finding the Fourth Proportional to 293.60, 439.92 and 232.40

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Solution

The fourth proportional to 293.60, 439.92 and 232.40 is: 348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.60 : 439.92 = 232.40 : x
  2. Step 2: Convert to fraction form
    293.60/439.92 = 232.40/x
  3. Step 3: Cross multiply
    293.60x = 439.92 × 232.40
  4. Step 4: Simplify right side
    293.60x = 102,237.41
  5. Step 5: Solve for x
    x = 102,237.41/293.60
  6. Step 6: Final answer
    x = 348.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.