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Finding the Fourth Proportional to 263,662.36, 395,490.57 and 63,984.94

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Solution

The fourth proportional to 263,662.36, 395,490.57 and 63,984.94 is: 95,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,662.36 : 395,490.57 = 63,984.94 : x
  2. Step 2: Convert to fraction form
    263,662.36/395,490.57 = 63,984.94/x
  3. Step 3: Cross multiply
    263,662.36x = 395,490.57 × 63,984.94
  4. Step 4: Simplify right side
    263,662.36x = 25,305,440,392.02
  5. Step 5: Solve for x
    x = 25,305,440,392.02/263,662.36
  6. Step 6: Final answer
    x = 95,976.69

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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.