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Finding the Fourth Proportional to 548,993.91, 819,753.95 and 484,413.85

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Solution

The fourth proportional to 548,993.91, 819,753.95 and 484,413.85 is: 723,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,993.91 : 819,753.95 = 484,413.85 : x
  2. Step 2: Convert to fraction form
    548,993.91/819,753.95 = 484,413.85/x
  3. Step 3: Cross multiply
    548,993.91x = 819,753.95 × 484,413.85
  4. Step 4: Simplify right side
    548,993.91x = 397,100,166,972.21
  5. Step 5: Solve for x
    x = 397,100,166,972.21/548,993.91
  6. Step 6: Final answer
    x = 723,323.45

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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.