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Finding the Fourth Proportional to 605,625.22, 908,578.38 and 206,269.46

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Solution

The fourth proportional to 605,625.22, 908,578.38 and 206,269.46 is: 309,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,625.22 : 908,578.38 = 206,269.46 : x
  2. Step 2: Convert to fraction form
    605,625.22/908,578.38 = 206,269.46/x
  3. Step 3: Cross multiply
    605,625.22x = 908,578.38 × 206,269.46
  4. Step 4: Simplify right side
    605,625.22x = 187,411,967,267.38
  5. Step 5: Solve for x
    x = 187,411,967,267.38/605,625.22
  6. Step 6: Final answer
    x = 309,452.05

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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.