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Finding the Fourth Proportional to 404,806, 558,641.16 and 223,517.44

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Solution

The fourth proportional to 404,806, 558,641.16 and 223,517.44 is: 308,458.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,806 : 558,641.16 = 223,517.44 : x
  2. Step 2: Convert to fraction form
    404,806/558,641.16 = 223,517.44/x
  3. Step 3: Cross multiply
    404,806x = 558,641.16 × 223,517.44
  4. Step 4: Simplify right side
    404,806x = 124,866,041,961.83
  5. Step 5: Solve for x
    x = 124,866,041,961.83/404,806
  6. Step 6: Final answer
    x = 308,458.97

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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.