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Finding the Fourth Proportional to 361,959.18, 499,563.63 and 200,865.96

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Solution

The fourth proportional to 361,959.18, 499,563.63 and 200,865.96 is: 277,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,959.18 : 499,563.63 = 200,865.96 : x
  2. Step 2: Convert to fraction form
    361,959.18/499,563.63 = 200,865.96/x
  3. Step 3: Cross multiply
    361,959.18x = 499,563.63 × 200,865.96
  4. Step 4: Simplify right side
    361,959.18x = 100,345,328,121.04
  5. Step 5: Solve for x
    x = 100,345,328,121.04/361,959.18
  6. Step 6: Final answer
    x = 277,228.30

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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.