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Finding the Fourth Proportional to 322,938.73, 445,655.37 and 179,708.05

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Solution

The fourth proportional to 322,938.73, 445,655.37 and 179,708.05 is: 247,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,938.73 : 445,655.37 = 179,708.05 : x
  2. Step 2: Convert to fraction form
    322,938.73/445,655.37 = 179,708.05/x
  3. Step 3: Cross multiply
    322,938.73x = 445,655.37 × 179,708.05
  4. Step 4: Simplify right side
    322,938.73x = 80,087,857,514.73
  5. Step 5: Solve for x
    x = 80,087,857,514.73/322,938.73
  6. Step 6: Final answer
    x = 247,997.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.