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Finding the Fourth Proportional to 353,694.09, 488,104.07 and 192,553.77

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Solution

The fourth proportional to 353,694.09, 488,104.07 and 192,553.77 is: 265,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,694.09 : 488,104.07 = 192,553.77 : x
  2. Step 2: Convert to fraction form
    353,694.09/488,104.07 = 192,553.77/x
  3. Step 3: Cross multiply
    353,694.09x = 488,104.07 × 192,553.77
  4. Step 4: Simplify right side
    353,694.09x = 93,986,278,830.84
  5. Step 5: Solve for x
    x = 93,986,278,830.84/353,694.09
  6. Step 6: Final answer
    x = 265,727.59

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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.