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Finding the Fourth Proportional to 486,982.62, 730,553.87 and 150,015.87

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Solution

The fourth proportional to 486,982.62, 730,553.87 and 150,015.87 is: 225,048.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,982.62 : 730,553.87 = 150,015.87 : x
  2. Step 2: Convert to fraction form
    486,982.62/730,553.87 = 150,015.87/x
  3. Step 3: Cross multiply
    486,982.62x = 730,553.87 × 150,015.87
  4. Step 4: Simplify right side
    486,982.62x = 109,594,674,389.92
  5. Step 5: Solve for x
    x = 109,594,674,389.92/486,982.62
  6. Step 6: Final answer
    x = 225,048.43

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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.