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Finding the Fourth Proportional to 263,456.73, 395,186.13 and 63,776.79

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Solution

The fourth proportional to 263,456.73, 395,186.13 and 63,776.79 is: 95,665.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,456.73 : 395,186.13 = 63,776.79 : x
  2. Step 2: Convert to fraction form
    263,456.73/395,186.13 = 63,776.79/x
  3. Step 3: Cross multiply
    263,456.73x = 395,186.13 × 63,776.79
  4. Step 4: Simplify right side
    263,456.73x = 25,203,702,823.92
  5. Step 5: Solve for x
    x = 25,203,702,823.92/263,456.73
  6. Step 6: Final answer
    x = 95,665.44

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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.