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Finding the Fourth Proportional to 294.67, 406.60 and 168.65

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Solution

The fourth proportional to 294.67, 406.60 and 168.65 is: 232.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.67 : 406.60 = 168.65 : x
  2. Step 2: Convert to fraction form
    294.67/406.60 = 168.65/x
  3. Step 3: Cross multiply
    294.67x = 406.60 × 168.65
  4. Step 4: Simplify right side
    294.67x = 68,573.09
  5. Step 5: Solve for x
    x = 68,573.09/294.67
  6. Step 6: Final answer
    x = 232.71

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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.