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Finding the Fourth Proportional to 263,555.82, 395,333.74 and 63,876.21

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Solution

The fourth proportional to 263,555.82, 395,333.74 and 63,876.21 is: 95,814.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,555.82 : 395,333.74 = 63,876.21 : x
  2. Step 2: Convert to fraction form
    263,555.82/395,333.74 = 63,876.21/x
  3. Step 3: Cross multiply
    263,555.82x = 395,333.74 × 63,876.21
  4. Step 4: Simplify right side
    263,555.82x = 25,252,419,688.61
  5. Step 5: Solve for x
    x = 25,252,419,688.61/263,555.82
  6. Step 6: Final answer
    x = 95,814.31

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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.