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Finding the Fourth Proportional to 300,739.28, 451,077.14 and 158,527.56

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Solution

The fourth proportional to 300,739.28, 451,077.14 and 158,527.56 is: 237,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,739.28 : 451,077.14 = 158,527.56 : x
  2. Step 2: Convert to fraction form
    300,739.28/451,077.14 = 158,527.56/x
  3. Step 3: Cross multiply
    300,739.28x = 451,077.14 × 158,527.56
  4. Step 4: Simplify right side
    300,739.28x = 71,508,158,375.98
  5. Step 5: Solve for x
    x = 71,508,158,375.98/300,739.28
  6. Step 6: Final answer
    x = 237,774.59

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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.