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Finding the Fourth Proportional to 532.46, 798.78 and 167.17

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Solution

The fourth proportional to 532.46, 798.78 and 167.17 is: 250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.46 : 798.78 = 167.17 : x
  2. Step 2: Convert to fraction form
    532.46/798.78 = 167.17/x
  3. Step 3: Cross multiply
    532.46x = 798.78 × 167.17
  4. Step 4: Simplify right side
    532.46x = 133,532.05
  5. Step 5: Solve for x
    x = 133,532.05/532.46
  6. Step 6: Final answer
    x = 250.78

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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.