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Finding the Fourth Proportional to 263,456.41, 395,185.64 and 63,776.47

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Solution

The fourth proportional to 263,456.41, 395,185.64 and 63,776.47 is: 95,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,456.41 : 395,185.64 = 63,776.47 : x
  2. Step 2: Convert to fraction form
    263,456.41/395,185.64 = 63,776.47/x
  3. Step 3: Cross multiply
    263,456.41x = 395,185.64 × 63,776.47
  4. Step 4: Simplify right side
    263,456.41x = 25,203,545,113.89
  5. Step 5: Solve for x
    x = 25,203,545,113.89/263,456.41
  6. Step 6: Final answer
    x = 95,664.95

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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.