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Finding the Fourth Proportional to 332.42, 498.42 and 169.88

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Solution

The fourth proportional to 332.42, 498.42 and 169.88 is: 254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.42 : 498.42 = 169.88 : x
  2. Step 2: Convert to fraction form
    332.42/498.42 = 169.88/x
  3. Step 3: Cross multiply
    332.42x = 498.42 × 169.88
  4. Step 4: Simplify right side
    332.42x = 84,671.59
  5. Step 5: Solve for x
    x = 84,671.59/332.42
  6. Step 6: Final answer
    x = 254.71

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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.