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Finding the Fourth Proportional to 548,481.06, 822,620.70 and 248,889.60

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Solution

The fourth proportional to 548,481.06, 822,620.70 and 248,889.60 is: 373,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,481.06 : 822,620.70 = 248,889.60 : x
  2. Step 2: Convert to fraction form
    548,481.06/822,620.70 = 248,889.60/x
  3. Step 3: Cross multiply
    548,481.06x = 822,620.70 × 248,889.60
  4. Step 4: Simplify right side
    548,481.06x = 204,741,736,974.72
  5. Step 5: Solve for x
    x = 204,741,736,974.72/548,481.06
  6. Step 6: Final answer
    x = 373,288.62

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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.