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Finding the Fourth Proportional to 353,662.48, 488,053.92 and 192,517.30

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Solution

The fourth proportional to 353,662.48, 488,053.92 and 192,517.30 is: 265,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,662.48 : 488,053.92 = 192,517.30 : x
  2. Step 2: Convert to fraction form
    353,662.48/488,053.92 = 192,517.30/x
  3. Step 3: Cross multiply
    353,662.48x = 488,053.92 × 192,517.30
  4. Step 4: Simplify right side
    353,662.48x = 93,958,822,932.82
  5. Step 5: Solve for x
    x = 93,958,822,932.82/353,662.48
  6. Step 6: Final answer
    x = 265,673.71

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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.