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Finding the Fourth Proportional to 323,241.44, 445,859.44 and 202,172.54

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Solution

The fourth proportional to 323,241.44, 445,859.44 and 202,172.54 is: 278,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,241.44 : 445,859.44 = 202,172.54 : x
  2. Step 2: Convert to fraction form
    323,241.44/445,859.44 = 202,172.54/x
  3. Step 3: Cross multiply
    323,241.44x = 445,859.44 × 202,172.54
  4. Step 4: Simplify right side
    323,241.44x = 90,140,532,733.05
  5. Step 5: Solve for x
    x = 90,140,532,733.05/323,241.44
  6. Step 6: Final answer
    x = 278,864.41

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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.