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Finding the Fourth Proportional to 625,860.44, 938,863.98 and 199,246.82

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Solution

The fourth proportional to 625,860.44, 938,863.98 and 199,246.82 is: 298,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,860.44 : 938,863.98 = 199,246.82 : x
  2. Step 2: Convert to fraction form
    625,860.44/938,863.98 = 199,246.82/x
  3. Step 3: Cross multiply
    625,860.44x = 938,863.98 × 199,246.82
  4. Step 4: Simplify right side
    625,860.44x = 187,065,662,427.54
  5. Step 5: Solve for x
    x = 187,065,662,427.54/625,860.44
  6. Step 6: Final answer
    x = 298,893.57

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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.