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Finding the Fourth Proportional to 263,464.71, 395,198.10 and 63,784.80

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Solution

The fourth proportional to 263,464.71, 395,198.10 and 63,784.80 is: 95,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,464.71 : 395,198.10 = 63,784.80 : x
  2. Step 2: Convert to fraction form
    263,464.71/395,198.10 = 63,784.80/x
  3. Step 3: Cross multiply
    263,464.71x = 395,198.10 × 63,784.80
  4. Step 4: Simplify right side
    263,464.71x = 25,207,631,768.88
  5. Step 5: Solve for x
    x = 25,207,631,768.88/263,464.71
  6. Step 6: Final answer
    x = 95,677.45

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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.