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Finding the Fourth Proportional to 327,305.89, 490,803.72 and 113,999.41

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Solution

The fourth proportional to 327,305.89, 490,803.72 and 113,999.41 is: 170,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,305.89 : 490,803.72 = 113,999.41 : x
  2. Step 2: Convert to fraction form
    327,305.89/490,803.72 = 113,999.41/x
  3. Step 3: Cross multiply
    327,305.89x = 490,803.72 × 113,999.41
  4. Step 4: Simplify right side
    327,305.89x = 55,951,334,505.81
  5. Step 5: Solve for x
    x = 55,951,334,505.81/327,305.89
  6. Step 6: Final answer
    x = 170,945.09

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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.