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Finding the Fourth Proportional to 400,545.20, 600,623.40 and 222,863.60

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Solution

The fourth proportional to 400,545.20, 600,623.40 and 222,863.60 is: 334,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,545.20 : 600,623.40 = 222,863.60 : x
  2. Step 2: Convert to fraction form
    400,545.20/600,623.40 = 222,863.60/x
  3. Step 3: Cross multiply
    400,545.20x = 600,623.40 × 222,863.60
  4. Step 4: Simplify right side
    400,545.20x = 133,857,093,168.24
  5. Step 5: Solve for x
    x = 133,857,093,168.24/400,545.20
  6. Step 6: Final answer
    x = 334,187.24

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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.