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Finding the Fourth Proportional to 327,396.60, 490,928.67 and 149,751.36

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Solution

The fourth proportional to 327,396.60, 490,928.67 and 149,751.36 is: 224,551.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,396.60 : 490,928.67 = 149,751.36 : x
  2. Step 2: Convert to fraction form
    327,396.60/490,928.67 = 149,751.36/x
  3. Step 3: Cross multiply
    327,396.60x = 490,928.67 × 149,751.36
  4. Step 4: Simplify right side
    327,396.60x = 73,517,235,995.49
  5. Step 5: Solve for x
    x = 73,517,235,995.49/327,396.60
  6. Step 6: Final answer
    x = 224,551.01

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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.