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Finding the Fourth Proportional to 263,918.94, 395,847.22 and 74,393.52

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Solution

The fourth proportional to 263,918.94, 395,847.22 and 74,393.52 is: 111,581.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,918.94 : 395,847.22 = 74,393.52 : x
  2. Step 2: Convert to fraction form
    263,918.94/395,847.22 = 74,393.52/x
  3. Step 3: Cross multiply
    263,918.94x = 395,847.22 × 74,393.52
  4. Step 4: Simplify right side
    263,918.94x = 29,448,468,078.01
  5. Step 5: Solve for x
    x = 29,448,468,078.01/263,918.94
  6. Step 6: Final answer
    x = 111,581.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.