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Finding the Fourth Proportional to 353,794.43, 488,229.31 and 192,651.41

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Solution

The fourth proportional to 353,794.43, 488,229.31 and 192,651.41 is: 265,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,794.43 : 488,229.31 = 192,651.41 : x
  2. Step 2: Convert to fraction form
    353,794.43/488,229.31 = 192,651.41/x
  3. Step 3: Cross multiply
    353,794.43x = 488,229.31 × 192,651.41
  4. Step 4: Simplify right side
    353,794.43x = 94,058,064,974.83
  5. Step 5: Solve for x
    x = 94,058,064,974.83/353,794.43
  6. Step 6: Final answer
    x = 265,855.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.