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Finding the Fourth Proportional to 332, 498 and 115.69

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Solution

The fourth proportional to 332, 498 and 115.69 is: 173.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    332 : 498 = 115.69 : x
  2. Step 2: Convert to fraction form
    332/498 = 115.69/x
  3. Step 3: Cross multiply
    332x = 498 × 115.69
  4. Step 4: Simplify right side
    332x = 57,613.62
  5. Step 5: Solve for x
    x = 57,613.62/332
  6. Step 6: Final answer
    x = 173.54

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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.