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Finding the Fourth Proportional to 605,568.71, 908,493.77 and 206,212.95

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Solution

The fourth proportional to 605,568.71, 908,493.77 and 206,212.95 is: 309,367.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,568.71 : 908,493.77 = 206,212.95 : x
  2. Step 2: Convert to fraction form
    605,568.71/908,493.77 = 206,212.95/x
  3. Step 3: Cross multiply
    605,568.71x = 908,493.77 × 206,212.95
  4. Step 4: Simplify right side
    605,568.71x = 187,343,180,883.85
  5. Step 5: Solve for x
    x = 187,343,180,883.85/605,568.71
  6. Step 6: Final answer
    x = 309,367.34

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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.