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Finding the Fourth Proportional to 327,364.48, 490,903.56 and 165,158.73

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Solution

The fourth proportional to 327,364.48, 490,903.56 and 165,158.73 is: 247,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,364.48 : 490,903.56 = 165,158.73 : x
  2. Step 2: Convert to fraction form
    327,364.48/490,903.56 = 165,158.73/x
  3. Step 3: Cross multiply
    327,364.48x = 490,903.56 × 165,158.73
  4. Step 4: Simplify right side
    327,364.48x = 81,077,008,522.08
  5. Step 5: Solve for x
    x = 81,077,008,522.08/327,364.48
  6. Step 6: Final answer
    x = 247,665.87

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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.