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Finding the Fourth Proportional to 404,545.20, 606,234.60 and 179,721.60

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Solution

The fourth proportional to 404,545.20, 606,234.60 and 179,721.60 is: 269,323.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,545.20 : 606,234.60 = 179,721.60 : x
  2. Step 2: Convert to fraction form
    404,545.20/606,234.60 = 179,721.60/x
  3. Step 3: Cross multiply
    404,545.20x = 606,234.60 × 179,721.60
  4. Step 4: Simplify right side
    404,545.20x = 108,953,452,287.36
  5. Step 5: Solve for x
    x = 108,953,452,287.36/404,545.20
  6. Step 6: Final answer
    x = 269,323.31

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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.