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Finding the Fourth Proportional to 499,939.92, 750,161.39 and 200,634.39

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Solution

The fourth proportional to 499,939.92, 750,161.39 and 200,634.39 is: 301,052.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,939.92 : 750,161.39 = 200,634.39 : x
  2. Step 2: Convert to fraction form
    499,939.92/750,161.39 = 200,634.39/x
  3. Step 3: Cross multiply
    499,939.92x = 750,161.39 × 200,634.39
  4. Step 4: Simplify right side
    499,939.92x = 150,508,171,881.03
  5. Step 5: Solve for x
    x = 150,508,171,881.03/499,939.92
  6. Step 6: Final answer
    x = 301,052.52

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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.