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Finding the Fourth Proportional to 494,077.56, 681,563.73 and 300,544.44

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Solution

The fourth proportional to 494,077.56, 681,563.73 and 300,544.44 is: 414,591.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,077.56 : 681,563.73 = 300,544.44 : x
  2. Step 2: Convert to fraction form
    494,077.56/681,563.73 = 300,544.44/x
  3. Step 3: Cross multiply
    494,077.56x = 681,563.73 × 300,544.44
  4. Step 4: Simplify right side
    494,077.56x = 204,840,189,557.16
  5. Step 5: Solve for x
    x = 204,840,189,557.16/494,077.56
  6. Step 6: Final answer
    x = 414,591.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.