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Finding the Fourth Proportional to 324,523.96, 447,840.62 and 179,339.54

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Solution

The fourth proportional to 324,523.96, 447,840.62 and 179,339.54 is: 247,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,523.96 : 447,840.62 = 179,339.54 : x
  2. Step 2: Convert to fraction form
    324,523.96/447,840.62 = 179,339.54/x
  3. Step 3: Cross multiply
    324,523.96x = 447,840.62 × 179,339.54
  4. Step 4: Simplify right side
    324,523.96x = 80,315,530,784.11
  5. Step 5: Solve for x
    x = 80,315,530,784.11/324,523.96
  6. Step 6: Final answer
    x = 247,487.21

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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.