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Finding the Fourth Proportional to 548,553.80, 822,534.83 and 248,870.85

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Solution

The fourth proportional to 548,553.80, 822,534.83 and 248,870.85 is: 373,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,553.80 : 822,534.83 = 248,870.85 : x
  2. Step 2: Convert to fraction form
    548,553.80/822,534.83 = 248,870.85/x
  3. Step 3: Cross multiply
    548,553.80x = 822,534.83 × 248,870.85
  4. Step 4: Simplify right side
    548,553.80x = 204,704,942,918.88
  5. Step 5: Solve for x
    x = 204,704,942,918.88/548,553.80
  6. Step 6: Final answer
    x = 373,172.05

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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.