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Finding the Fourth Proportional to 441.60, 662.36 and 116.97

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Solution

The fourth proportional to 441.60, 662.36 and 116.97 is: 175.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.60 : 662.36 = 116.97 : x
  2. Step 2: Convert to fraction form
    441.60/662.36 = 116.97/x
  3. Step 3: Cross multiply
    441.60x = 662.36 × 116.97
  4. Step 4: Simplify right side
    441.60x = 77,475.66
  5. Step 5: Solve for x
    x = 77,475.66/441.60
  6. Step 6: Final answer
    x = 175.44

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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.