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Finding the Fourth Proportional to 521,777.56, 782,481.99 and 248,191.56

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Solution

The fourth proportional to 521,777.56, 782,481.99 and 248,191.56 is: 372,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,777.56 : 782,481.99 = 248,191.56 : x
  2. Step 2: Convert to fraction form
    521,777.56/782,481.99 = 248,191.56/x
  3. Step 3: Cross multiply
    521,777.56x = 782,481.99 × 248,191.56
  4. Step 4: Simplify right side
    521,777.56x = 194,205,425,770.00
  5. Step 5: Solve for x
    x = 194,205,425,770.00/521,777.56
  6. Step 6: Final answer
    x = 372,199.65

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1.5x scale

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.