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Finding the Fourth Proportional to 485,067.33, 727,049.25 and 295,108.97

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Solution

The fourth proportional to 485,067.33, 727,049.25 and 295,108.97 is: 442,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,067.33 : 727,049.25 = 295,108.97 : x
  2. Step 2: Convert to fraction form
    485,067.33/727,049.25 = 295,108.97/x
  3. Step 3: Cross multiply
    485,067.33x = 727,049.25 × 295,108.97
  4. Step 4: Simplify right side
    485,067.33x = 214,558,751,671.53
  5. Step 5: Solve for x
    x = 214,558,751,671.53/485,067.33
  6. Step 6: Final answer
    x = 442,327.77

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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.