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Finding the Fourth Proportional to 324,902.44, 487,418.63 and 100,254.43

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Solution

The fourth proportional to 324,902.44, 487,418.63 and 100,254.43 is: 150,401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,902.44 : 487,418.63 = 100,254.43 : x
  2. Step 2: Convert to fraction form
    324,902.44/487,418.63 = 100,254.43/x
  3. Step 3: Cross multiply
    324,902.44x = 487,418.63 × 100,254.43
  4. Step 4: Simplify right side
    324,902.44x = 48,865,876,922.03
  5. Step 5: Solve for x
    x = 48,865,876,922.03/324,902.44
  6. Step 6: Final answer
    x = 150,401.69

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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.