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Finding the Fourth Proportional to 324,171.80, 486,600.10 and 182,138.45

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Solution

The fourth proportional to 324,171.80, 486,600.10 and 182,138.45 is: 273,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,171.80 : 486,600.10 = 182,138.45 : x
  2. Step 2: Convert to fraction form
    324,171.80/486,600.10 = 182,138.45/x
  3. Step 3: Cross multiply
    324,171.80x = 486,600.10 × 182,138.45
  4. Step 4: Simplify right side
    324,171.80x = 88,628,586,207.93
  5. Step 5: Solve for x
    x = 88,628,586,207.93/324,171.80
  6. Step 6: Final answer
    x = 273,400.05

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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.