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Finding the Fourth Proportional to 275,504.22, 412,687.71 and 255,573.36

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Solution

The fourth proportional to 275,504.22, 412,687.71 and 255,573.36 is: 382,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,504.22 : 412,687.71 = 255,573.36 : x
  2. Step 2: Convert to fraction form
    275,504.22/412,687.71 = 255,573.36/x
  3. Step 3: Cross multiply
    275,504.22x = 412,687.71 × 255,573.36
  4. Step 4: Simplify right side
    275,504.22x = 105,471,984,675.41
  5. Step 5: Solve for x
    x = 105,471,984,675.41/275,504.22
  6. Step 6: Final answer
    x = 382,832.56

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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.