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Finding the Fourth Proportional to 324,871.44, 448,363.76 and 181,639.92

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Solution

The fourth proportional to 324,871.44, 448,363.76 and 181,639.92 is: 250,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,871.44 : 448,363.76 = 181,639.92 : x
  2. Step 2: Convert to fraction form
    324,871.44/448,363.76 = 181,639.92/x
  3. Step 3: Cross multiply
    324,871.44x = 448,363.76 × 181,639.92
  4. Step 4: Simplify right side
    324,871.44x = 81,440,757,497.30
  5. Step 5: Solve for x
    x = 81,440,757,497.30/324,871.44
  6. Step 6: Final answer
    x = 250,686.11

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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.