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Finding the Fourth Proportional to 324,608.64, 447,983.10 and 179,411.31

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Solution

The fourth proportional to 324,608.64, 447,983.10 and 179,411.31 is: 247,600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,608.64 : 447,983.10 = 179,411.31 : x
  2. Step 2: Convert to fraction form
    324,608.64/447,983.10 = 179,411.31/x
  3. Step 3: Cross multiply
    324,608.64x = 447,983.10 × 179,411.31
  4. Step 4: Simplify right side
    324,608.64x = 80,373,234,828.86
  5. Step 5: Solve for x
    x = 80,373,234,828.86/324,608.64
  6. Step 6: Final answer
    x = 247,600.42

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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.