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Finding the Fourth Proportional to 360,067.91, 496,889.98 and 198,912.44

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Solution

The fourth proportional to 360,067.91, 496,889.98 and 198,912.44 is: 274,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,067.91 : 496,889.98 = 198,912.44 : x
  2. Step 2: Convert to fraction form
    360,067.91/496,889.98 = 198,912.44/x
  3. Step 3: Cross multiply
    360,067.91x = 496,889.98 × 198,912.44
  4. Step 4: Simplify right side
    360,067.91x = 98,837,599,078.30
  5. Step 5: Solve for x
    x = 98,837,599,078.30/360,067.91
  6. Step 6: Final answer
    x = 274,497.10

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1.5x scale

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.