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Finding the Fourth Proportional to 441.52, 662.30 and 167.54

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Solution

The fourth proportional to 441.52, 662.30 and 167.54 is: 251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.52 : 662.30 = 167.54 : x
  2. Step 2: Convert to fraction form
    441.52/662.30 = 167.54/x
  3. Step 3: Cross multiply
    441.52x = 662.30 × 167.54
  4. Step 4: Simplify right side
    441.52x = 110,961.74
  5. Step 5: Solve for x
    x = 110,961.74/441.52
  6. Step 6: Final answer
    x = 251.32

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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.