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Finding the Fourth Proportional to 326,787.14, 490,600.48 and 251,954.82

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Solution

The fourth proportional to 326,787.14, 490,600.48 and 251,954.82 is: 378,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,787.14 : 490,600.48 = 251,954.82 : x
  2. Step 2: Convert to fraction form
    326,787.14/490,600.48 = 251,954.82/x
  3. Step 3: Cross multiply
    326,787.14x = 490,600.48 × 251,954.82
  4. Step 4: Simplify right side
    326,787.14x = 123,609,155,630.31
  5. Step 5: Solve for x
    x = 123,609,155,630.31/326,787.14
  6. Step 6: Final answer
    x = 378,255.88

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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.