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Finding the Fourth Proportional to 883,906.56, 1,219,791.36 and 481,498.56

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Solution

The fourth proportional to 883,906.56, 1,219,791.36 and 481,498.56 is: 664,468.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,906.56 : 1,219,791.36 = 481,498.56 : x
  2. Step 2: Convert to fraction form
    883,906.56/1,219,791.36 = 481,498.56/x
  3. Step 3: Cross multiply
    883,906.56x = 1,219,791.36 × 481,498.56
  4. Step 4: Simplify right side
    883,906.56x = 587,327,783,340.44
  5. Step 5: Solve for x
    x = 587,327,783,340.44/883,906.56
  6. Step 6: Final answer
    x = 664,468.18

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Double scale
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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.