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Finding the Fourth Proportional to 328,879.44, 453,855.04 and 177,976.44

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Solution

The fourth proportional to 328,879.44, 453,855.04 and 177,976.44 is: 245,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,879.44 : 453,855.04 = 177,976.44 : x
  2. Step 2: Convert to fraction form
    328,879.44/453,855.04 = 177,976.44/x
  3. Step 3: Cross multiply
    328,879.44x = 453,855.04 × 177,976.44
  4. Step 4: Simplify right side
    328,879.44x = 80,775,504,295.26
  5. Step 5: Solve for x
    x = 80,775,504,295.26/328,879.44
  6. Step 6: Final answer
    x = 245,608.25

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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.