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Finding the Fourth Proportional to 324,936.30, 487,404.45 and 273,614.70

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Solution

The fourth proportional to 324,936.30, 487,404.45 and 273,614.70 is: 410,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,936.30 : 487,404.45 = 273,614.70 : x
  2. Step 2: Convert to fraction form
    324,936.30/487,404.45 = 273,614.70/x
  3. Step 3: Cross multiply
    324,936.30x = 487,404.45 × 273,614.70
  4. Step 4: Simplify right side
    324,936.30x = 133,361,022,365.42
  5. Step 5: Solve for x
    x = 133,361,022,365.42/324,936.30
  6. Step 6: Final answer
    x = 410,422.05

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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.