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Finding the Fourth Proportional to 394,687.67, 592,104.51 and 124,883.71

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Solution

The fourth proportional to 394,687.67, 592,104.51 and 124,883.71 is: 187,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,687.67 : 592,104.51 = 124,883.71 : x
  2. Step 2: Convert to fraction form
    394,687.67/592,104.51 = 124,883.71/x
  3. Step 3: Cross multiply
    394,687.67x = 592,104.51 × 124,883.71
  4. Step 4: Simplify right side
    394,687.67x = 73,944,206,436.27
  5. Step 5: Solve for x
    x = 73,944,206,436.27/394,687.67
  6. Step 6: Final answer
    x = 187,348.66

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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.