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Finding the Fourth Proportional to 363,067.37, 544,508.57 and 257,443.48

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Solution

The fourth proportional to 363,067.37, 544,508.57 and 257,443.48 is: 386,099.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,067.37 : 544,508.57 = 257,443.48 : x
  2. Step 2: Convert to fraction form
    363,067.37/544,508.57 = 257,443.48/x
  3. Step 3: Cross multiply
    363,067.37x = 544,508.57 × 257,443.48
  4. Step 4: Simplify right side
    363,067.37x = 140,180,177,140.86
  5. Step 5: Solve for x
    x = 140,180,177,140.86/363,067.37
  6. Step 6: Final answer
    x = 386,099.63

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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.