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Finding the Fourth Proportional to 229.92, 344.20 and 176.44

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Solution

The fourth proportional to 229.92, 344.20 and 176.44 is: 264.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.92 : 344.20 = 176.44 : x
  2. Step 2: Convert to fraction form
    229.92/344.20 = 176.44/x
  3. Step 3: Cross multiply
    229.92x = 344.20 × 176.44
  4. Step 4: Simplify right side
    229.92x = 60,730.65
  5. Step 5: Solve for x
    x = 60,730.65/229.92
  6. Step 6: Final answer
    x = 264.14

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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.