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Finding the Fourth Proportional to 1,179.44, 1,764.96 and 717.04

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Solution

The fourth proportional to 1,179.44, 1,764.96 and 717.04 is: 1,073.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.44 : 1,764.96 = 717.04 : x
  2. Step 2: Convert to fraction form
    1,179.44/1,764.96 = 717.04/x
  3. Step 3: Cross multiply
    1,179.44x = 1,764.96 × 717.04
  4. Step 4: Simplify right side
    1,179.44x = 1,265,546.92
  5. Step 5: Solve for x
    x = 1,265,546.92/1,179.44
  6. Step 6: Final answer
    x = 1,073.01

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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.