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Finding the Fourth Proportional to 324,993.80, 487,660.67 and 133,010.73

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Solution

The fourth proportional to 324,993.80, 487,660.67 and 133,010.73 is: 199,585.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,993.80 : 487,660.67 = 133,010.73 : x
  2. Step 2: Convert to fraction form
    324,993.80/487,660.67 = 133,010.73/x
  3. Step 3: Cross multiply
    324,993.80x = 487,660.67 × 133,010.73
  4. Step 4: Simplify right side
    324,993.80x = 64,864,101,043.94
  5. Step 5: Solve for x
    x = 64,864,101,043.94/324,993.80
  6. Step 6: Final answer
    x = 199,585.66

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1.5x scale

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.