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Finding the Fourth Proportional to 625,847.98, 938,845.26 and 199,234.34

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Solution

The fourth proportional to 625,847.98, 938,845.26 and 199,234.34 is: 298,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,847.98 : 938,845.26 = 199,234.34 : x
  2. Step 2: Convert to fraction form
    625,847.98/938,845.26 = 199,234.34/x
  3. Step 3: Cross multiply
    625,847.98x = 938,845.26 × 199,234.34
  4. Step 4: Simplify right side
    625,847.98x = 187,050,215,738.23
  5. Step 5: Solve for x
    x = 187,050,215,738.23/625,847.98
  6. Step 6: Final answer
    x = 298,874.84

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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.