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Finding the Fourth Proportional to 532.44, 798.66 and 167.45

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Solution

The fourth proportional to 532.44, 798.66 and 167.45 is: 251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.44 : 798.66 = 167.45 : x
  2. Step 2: Convert to fraction form
    532.44/798.66 = 167.45/x
  3. Step 3: Cross multiply
    532.44x = 798.66 × 167.45
  4. Step 4: Simplify right side
    532.44x = 133,731.62
  5. Step 5: Solve for x
    x = 133,731.62/532.44
  6. Step 6: Final answer
    x = 251.17

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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.