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Finding the Fourth Proportional to 263,896.27, 395,843.94 and 74,356.27

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Solution

The fourth proportional to 263,896.27, 395,843.94 and 74,356.27 is: 111,534.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,896.27 : 395,843.94 = 74,356.27 : x
  2. Step 2: Convert to fraction form
    263,896.27/395,843.94 = 74,356.27/x
  3. Step 3: Cross multiply
    263,896.27x = 395,843.94 × 74,356.27
  4. Step 4: Simplify right side
    263,896.27x = 29,433,478,880.50
  5. Step 5: Solve for x
    x = 29,433,478,880.50/263,896.27
  6. Step 6: Final answer
    x = 111,534.27

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1.5x scale

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.