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Finding the Fourth Proportional to 481,546.31, 664,555.44 and 263,770.31

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Solution

The fourth proportional to 481,546.31, 664,555.44 and 263,770.31 is: 364,014.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,546.31 : 664,555.44 = 263,770.31 : x
  2. Step 2: Convert to fraction form
    481,546.31/664,555.44 = 263,770.31/x
  3. Step 3: Cross multiply
    481,546.31x = 664,555.44 × 263,770.31
  4. Step 4: Simplify right side
    481,546.31x = 175,289,991,098.21
  5. Step 5: Solve for x
    x = 175,289,991,098.21/481,546.31
  6. Step 6: Final answer
    x = 364,014.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.