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Finding the Fourth Proportional to 394,757.04, 544,766.03 and 213,470.27

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Solution

The fourth proportional to 394,757.04, 544,766.03 and 213,470.27 is: 294,589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,757.04 : 544,766.03 = 213,470.27 : x
  2. Step 2: Convert to fraction form
    394,757.04/544,766.03 = 213,470.27/x
  3. Step 3: Cross multiply
    394,757.04x = 544,766.03 × 213,470.27
  4. Step 4: Simplify right side
    394,757.04x = 116,291,351,510.93
  5. Step 5: Solve for x
    x = 116,291,351,510.93/394,757.04
  6. Step 6: Final answer
    x = 294,589.68

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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.