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Finding the Fourth Proportional to 324,963.11, 487,524.45 and 111,734.26

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Solution

The fourth proportional to 324,963.11, 487,524.45 and 111,734.26 is: 167,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,963.11 : 487,524.45 = 111,734.26 : x
  2. Step 2: Convert to fraction form
    324,963.11/487,524.45 = 111,734.26/x
  3. Step 3: Cross multiply
    324,963.11x = 487,524.45 × 111,734.26
  4. Step 4: Simplify right side
    324,963.11x = 54,473,183,652.66
  5. Step 5: Solve for x
    x = 54,473,183,652.66/324,963.11
  6. Step 6: Final answer
    x = 167,628.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.