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Finding the Fourth Proportional to 323,694.40, 446,700.20 and 187,809.27

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Solution

The fourth proportional to 323,694.40, 446,700.20 and 187,809.27 is: 259,177.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,694.40 : 446,700.20 = 187,809.27 : x
  2. Step 2: Convert to fraction form
    323,694.40/446,700.20 = 187,809.27/x
  3. Step 3: Cross multiply
    323,694.40x = 446,700.20 × 187,809.27
  4. Step 4: Simplify right side
    323,694.40x = 83,894,438,470.85
  5. Step 5: Solve for x
    x = 83,894,438,470.85/323,694.40
  6. Step 6: Final answer
    x = 259,177.91

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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.