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Finding the Fourth Proportional to 324,579.86, 447,911.93 and 181,340.96

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Solution

The fourth proportional to 324,579.86, 447,911.93 and 181,340.96 is: 250,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,579.86 : 447,911.93 = 181,340.96 : x
  2. Step 2: Convert to fraction form
    324,579.86/447,911.93 = 181,340.96/x
  3. Step 3: Cross multiply
    324,579.86x = 447,911.93 × 181,340.96
  4. Step 4: Simplify right side
    324,579.86x = 81,224,780,954.79
  5. Step 5: Solve for x
    x = 81,224,780,954.79/324,579.86
  6. Step 6: Final answer
    x = 250,245.91

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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.