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Finding the Fourth Proportional to 481,567.85, 664,570.84 and 263,796.58

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Solution

The fourth proportional to 481,567.85, 664,570.84 and 263,796.58 is: 364,043.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,567.85 : 664,570.84 = 263,796.58 : x
  2. Step 2: Convert to fraction form
    481,567.85/664,570.84 = 263,796.58/x
  3. Step 3: Cross multiply
    481,567.85x = 664,570.84 × 263,796.58
  4. Step 4: Simplify right side
    481,567.85x = 175,311,511,436.87
  5. Step 5: Solve for x
    x = 175,311,511,436.87/481,567.85
  6. Step 6: Final answer
    x = 364,043.23

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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.