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Finding the Fourth Proportional to 625,849.44, 938,847.48 and 199,235.82

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Solution

The fourth proportional to 625,849.44, 938,847.48 and 199,235.82 is: 298,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,849.44 : 938,847.48 = 199,235.82 : x
  2. Step 2: Convert to fraction form
    625,849.44/938,847.48 = 199,235.82/x
  3. Step 3: Cross multiply
    625,849.44x = 938,847.48 × 199,235.82
  4. Step 4: Simplify right side
    625,849.44x = 187,052,047,532.73
  5. Step 5: Solve for x
    x = 187,052,047,532.73/625,849.44
  6. Step 6: Final answer
    x = 298,877.07

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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.