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Finding the Fourth Proportional to 263,463.30, 395,195.90 and 63,783.41

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Solution

The fourth proportional to 263,463.30, 395,195.90 and 63,783.41 is: 95,675.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,463.30 : 395,195.90 = 63,783.41 : x
  2. Step 2: Convert to fraction form
    263,463.30/395,195.90 = 63,783.41/x
  3. Step 3: Cross multiply
    263,463.30x = 395,195.90 × 63,783.41
  4. Step 4: Simplify right side
    263,463.30x = 25,206,939,825.12
  5. Step 5: Solve for x
    x = 25,206,939,825.12/263,463.30
  6. Step 6: Final answer
    x = 95,675.34

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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.