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Finding the Fourth Proportional to 367,906.20, 551,859.30 and 273,427.80

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Solution

The fourth proportional to 367,906.20, 551,859.30 and 273,427.80 is: 410,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,906.20 : 551,859.30 = 273,427.80 : x
  2. Step 2: Convert to fraction form
    367,906.20/551,859.30 = 273,427.80/x
  3. Step 3: Cross multiply
    367,906.20x = 551,859.30 × 273,427.80
  4. Step 4: Simplify right side
    367,906.20x = 150,893,674,308.54
  5. Step 5: Solve for x
    x = 150,893,674,308.54/367,906.20
  6. Step 6: Final answer
    x = 410,141.70

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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.