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Finding the Fourth Proportional to 548,992.91, 819,752.46 and 484,412.85

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Solution

The fourth proportional to 548,992.91, 819,752.46 and 484,412.85 is: 723,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,992.91 : 819,752.46 = 484,412.85 : x
  2. Step 2: Convert to fraction form
    548,992.91/819,752.46 = 484,412.85/x
  3. Step 3: Cross multiply
    548,992.91x = 819,752.46 × 484,412.85
  4. Step 4: Simplify right side
    548,992.91x = 397,098,623,626.56
  5. Step 5: Solve for x
    x = 397,098,623,626.56/548,992.91
  6. Step 6: Final answer
    x = 723,321.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.