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Finding the Fourth Proportional to 484,149.99, 726,198.69 and 147,164.37

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Solution

The fourth proportional to 484,149.99, 726,198.69 and 147,164.37 is: 220,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,149.99 : 726,198.69 = 147,164.37 : x
  2. Step 2: Convert to fraction form
    484,149.99/726,198.69 = 147,164.37/x
  3. Step 3: Cross multiply
    484,149.99x = 726,198.69 × 147,164.37
  4. Step 4: Simplify right side
    484,149.99x = 106,870,572,708.68
  5. Step 5: Solve for x
    x = 106,870,572,708.68/484,149.99
  6. Step 6: Final answer
    x = 220,738.56

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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.