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Finding the Fourth Proportional to 324,616.14, 447,993.45 and 179,418.81

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Solution

The fourth proportional to 324,616.14, 447,993.45 and 179,418.81 is: 247,610.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,616.14 : 447,993.45 = 179,418.81 : x
  2. Step 2: Convert to fraction form
    324,616.14/447,993.45 = 179,418.81/x
  3. Step 3: Cross multiply
    324,616.14x = 447,993.45 × 179,418.81
  4. Step 4: Simplify right side
    324,616.14x = 80,378,451,686.79
  5. Step 5: Solve for x
    x = 80,378,451,686.79/324,616.14
  6. Step 6: Final answer
    x = 247,610.77

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1.5x scale

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.