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Finding the Fourth Proportional to 629,696.96, 944,540.72 and 180,418.20

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Solution

The fourth proportional to 629,696.96, 944,540.72 and 180,418.20 is: 270,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,696.96 : 944,540.72 = 180,418.20 : x
  2. Step 2: Convert to fraction form
    629,696.96/944,540.72 = 180,418.20/x
  3. Step 3: Cross multiply
    629,696.96x = 944,540.72 × 180,418.20
  4. Step 4: Simplify right side
    629,696.96x = 170,412,335,627.01
  5. Step 5: Solve for x
    x = 170,412,335,627.01/629,696.96
  6. Step 6: Final answer
    x = 270,625.95

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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.