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Finding the Fourth Proportional to 408,366.41, 563,315.83 and 244,979.44

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Solution

The fourth proportional to 408,366.41, 563,315.83 and 244,979.44 is: 337,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,366.41 : 563,315.83 = 244,979.44 : x
  2. Step 2: Convert to fraction form
    408,366.41/563,315.83 = 244,979.44/x
  3. Step 3: Cross multiply
    408,366.41x = 563,315.83 × 244,979.44
  4. Step 4: Simplify right side
    408,366.41x = 138,000,794,555.80
  5. Step 5: Solve for x
    x = 138,000,794,555.80/408,366.41
  6. Step 6: Final answer
    x = 337,933.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.