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Finding the Fourth Proportional to 662,757.80, 914,616.18 and 360,951.56

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Solution

The fourth proportional to 662,757.80, 914,616.18 and 360,951.56 is: 498,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,757.80 : 914,616.18 = 360,951.56 : x
  2. Step 2: Convert to fraction form
    662,757.80/914,616.18 = 360,951.56/x
  3. Step 3: Cross multiply
    662,757.80x = 914,616.18 × 360,951.56
  4. Step 4: Simplify right side
    662,757.80x = 330,132,136,972.24
  5. Step 5: Solve for x
    x = 330,132,136,972.24/662,757.80
  6. Step 6: Final answer
    x = 498,118.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.