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Finding the Fourth Proportional to 532.67, 798.75 and 167.42

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Solution

The fourth proportional to 532.67, 798.75 and 167.42 is: 251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.67 : 798.75 = 167.42 : x
  2. Step 2: Convert to fraction form
    532.67/798.75 = 167.42/x
  3. Step 3: Cross multiply
    532.67x = 798.75 × 167.42
  4. Step 4: Simplify right side
    532.67x = 133,728.72
  5. Step 5: Solve for x
    x = 133,728.72/532.67
  6. Step 6: Final answer
    x = 251.06

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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.