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Finding the Fourth Proportional to 548,557.80, 822,540.84 and 248,874.86

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Solution

The fourth proportional to 548,557.80, 822,540.84 and 248,874.86 is: 373,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,557.80 : 822,540.84 = 248,874.86 : x
  2. Step 2: Convert to fraction form
    548,557.80/822,540.84 = 248,874.86/x
  3. Step 3: Cross multiply
    548,557.80x = 822,540.84 × 248,874.86
  4. Step 4: Simplify right side
    548,557.80x = 204,709,736,399.28
  5. Step 5: Solve for x
    x = 204,709,736,399.28/548,557.80
  6. Step 6: Final answer
    x = 373,178.06

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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.