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Finding the Fourth Proportional to 361,989.23, 499,545.23 and 200,843.91

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Solution

The fourth proportional to 361,989.23, 499,545.23 and 200,843.91 is: 277,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,989.23 : 499,545.23 = 200,843.91 : x
  2. Step 2: Convert to fraction form
    361,989.23/499,545.23 = 200,843.91/x
  3. Step 3: Cross multiply
    361,989.23x = 499,545.23 × 200,843.91
  4. Step 4: Simplify right side
    361,989.23x = 100,330,616,210.83
  5. Step 5: Solve for x
    x = 100,330,616,210.83/361,989.23
  6. Step 6: Final answer
    x = 277,164.65

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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.