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Finding the Fourth Proportional to 521,777.06, 782,481.24 and 248,191.06

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Solution

The fourth proportional to 521,777.06, 782,481.24 and 248,191.06 is: 372,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,777.06 : 782,481.24 = 248,191.06 : x
  2. Step 2: Convert to fraction form
    521,777.06/782,481.24 = 248,191.06/x
  3. Step 3: Cross multiply
    521,777.06x = 782,481.24 × 248,191.06
  4. Step 4: Simplify right side
    521,777.06x = 194,204,848,385.71
  5. Step 5: Solve for x
    x = 194,204,848,385.71/521,777.06
  6. Step 6: Final answer
    x = 372,198.90

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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.