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Finding the Fourth Proportional to 548,557.55, 822,540.45 and 248,874.61

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Solution

The fourth proportional to 548,557.55, 822,540.45 and 248,874.61 is: 373,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,557.55 : 822,540.45 = 248,874.61 : x
  2. Step 2: Convert to fraction form
    548,557.55/822,540.45 = 248,874.61/x
  3. Step 3: Cross multiply
    548,557.55x = 822,540.45 × 248,874.61
  4. Step 4: Simplify right side
    548,557.55x = 204,709,431,646.62
  5. Step 5: Solve for x
    x = 204,709,431,646.62/548,557.55
  6. Step 6: Final answer
    x = 373,177.68

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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.