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Finding the Fourth Proportional to 324,409.59, 447,680.52 and 181,171.62

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Solution

The fourth proportional to 324,409.59, 447,680.52 and 181,171.62 is: 250,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,409.59 : 447,680.52 = 181,171.62 : x
  2. Step 2: Convert to fraction form
    324,409.59/447,680.52 = 181,171.62/x
  3. Step 3: Cross multiply
    324,409.59x = 447,680.52 × 181,171.62
  4. Step 4: Simplify right side
    324,409.59x = 81,107,005,050.84
  5. Step 5: Solve for x
    x = 81,107,005,050.84/324,409.59
  6. Step 6: Final answer
    x = 250,014.20

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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.