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Finding the Fourth Proportional to 324,879.77, 448,320.96 and 179,676

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Solution

The fourth proportional to 324,879.77, 448,320.96 and 179,676 is: 247,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,879.77 : 448,320.96 = 179,676 : x
  2. Step 2: Convert to fraction form
    324,879.77/448,320.96 = 179,676/x
  3. Step 3: Cross multiply
    324,879.77x = 448,320.96 × 179,676
  4. Step 4: Simplify right side
    324,879.77x = 80,552,516,808.96
  5. Step 5: Solve for x
    x = 80,552,516,808.96/324,879.77
  6. Step 6: Final answer
    x = 247,945.62

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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.