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Finding the Fourth Proportional to 327,266.73, 490,112.78 and 186,598.89

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Solution

The fourth proportional to 327,266.73, 490,112.78 and 186,598.89 is: 279,449.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,266.73 : 490,112.78 = 186,598.89 : x
  2. Step 2: Convert to fraction form
    327,266.73/490,112.78 = 186,598.89/x
  3. Step 3: Cross multiply
    327,266.73x = 490,112.78 × 186,598.89
  4. Step 4: Simplify right side
    327,266.73x = 91,454,499,789.82
  5. Step 5: Solve for x
    x = 91,454,499,789.82/327,266.73
  6. Step 6: Final answer
    x = 279,449.43

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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.