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Finding the Fourth Proportional to 625,846.98, 938,843.76 and 199,233.34

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Solution

The fourth proportional to 625,846.98, 938,843.76 and 199,233.34 is: 298,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,846.98 : 938,843.76 = 199,233.34 : x
  2. Step 2: Convert to fraction form
    625,846.98/938,843.76 = 199,233.34/x
  3. Step 3: Cross multiply
    625,846.98x = 938,843.76 × 199,233.34
  4. Step 4: Simplify right side
    625,846.98x = 187,048,978,042.96
  5. Step 5: Solve for x
    x = 187,048,978,042.96/625,846.98
  6. Step 6: Final answer
    x = 298,873.34

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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.