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Finding the Fourth Proportional to 548,559.55, 822,543.45 and 248,876.61

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Solution

The fourth proportional to 548,559.55, 822,543.45 and 248,876.61 is: 373,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,559.55 : 822,543.45 = 248,876.61 : x
  2. Step 2: Convert to fraction form
    548,559.55/822,543.45 = 248,876.61/x
  3. Step 3: Cross multiply
    548,559.55x = 822,543.45 × 248,876.61
  4. Step 4: Simplify right side
    548,559.55x = 204,711,825,413.70
  5. Step 5: Solve for x
    x = 204,711,825,413.70/548,559.55
  6. Step 6: Final answer
    x = 373,180.68

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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.