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Finding the Fourth Proportional to 232.65, 348.66 and 206.73

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Solution

The fourth proportional to 232.65, 348.66 and 206.73 is: 309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.65 : 348.66 = 206.73 : x
  2. Step 2: Convert to fraction form
    232.65/348.66 = 206.73/x
  3. Step 3: Cross multiply
    232.65x = 348.66 × 206.73
  4. Step 4: Simplify right side
    232.65x = 72,078.48
  5. Step 5: Solve for x
    x = 72,078.48/232.65
  6. Step 6: Final answer
    x = 309.82

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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.