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Finding the Fourth Proportional to 532.42, 798.69 and 167.11

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Solution

The fourth proportional to 532.42, 798.69 and 167.11 is: 250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.42 : 798.69 = 167.11 : x
  2. Step 2: Convert to fraction form
    532.42/798.69 = 167.11/x
  3. Step 3: Cross multiply
    532.42x = 798.69 × 167.11
  4. Step 4: Simplify right side
    532.42x = 133,469.09
  5. Step 5: Solve for x
    x = 133,469.09/532.42
  6. Step 6: Final answer
    x = 250.68

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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.