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Finding the Fourth Proportional to 263,574.05, 395,357.52 and 63,896.16

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Solution

The fourth proportional to 263,574.05, 395,357.52 and 63,896.16 is: 95,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,574.05 : 395,357.52 = 63,896.16 : x
  2. Step 2: Convert to fraction form
    263,574.05/395,357.52 = 63,896.16/x
  3. Step 3: Cross multiply
    263,574.05x = 395,357.52 × 63,896.16
  4. Step 4: Simplify right side
    263,574.05x = 25,261,827,355.12
  5. Step 5: Solve for x
    x = 25,261,827,355.12/263,574.05
  6. Step 6: Final answer
    x = 95,843.38

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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.