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Finding the Fourth Proportional to 325,604.26, 449,335.25 and 189,731.41

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Solution

The fourth proportional to 325,604.26, 449,335.25 and 189,731.41 is: 261,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,604.26 : 449,335.25 = 189,731.41 : x
  2. Step 2: Convert to fraction form
    325,604.26/449,335.25 = 189,731.41/x
  3. Step 3: Cross multiply
    325,604.26x = 449,335.25 × 189,731.41
  4. Step 4: Simplify right side
    325,604.26x = 85,253,011,712.21
  5. Step 5: Solve for x
    x = 85,253,011,712.21/325,604.26
  6. Step 6: Final answer
    x = 261,830.15

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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.