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Finding the Fourth Proportional to 494,434.36, 682,344.42 and 276,667.48

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Solution

The fourth proportional to 494,434.36, 682,344.42 and 276,667.48 is: 381,815.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,434.36 : 682,344.42 = 276,667.48 : x
  2. Step 2: Convert to fraction form
    494,434.36/682,344.42 = 276,667.48/x
  3. Step 3: Cross multiply
    494,434.36x = 682,344.42 × 276,667.48
  4. Step 4: Simplify right side
    494,434.36x = 188,782,511,173.46
  5. Step 5: Solve for x
    x = 188,782,511,173.46/494,434.36
  6. Step 6: Final answer
    x = 381,815.11

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1.5x scale

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.