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Finding the Fourth Proportional to 483,379.44, 667,063.28 and 268,539.60

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Solution

The fourth proportional to 483,379.44, 667,063.28 and 268,539.60 is: 370,584.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,379.44 : 667,063.28 = 268,539.60 : x
  2. Step 2: Convert to fraction form
    483,379.44/667,063.28 = 268,539.60/x
  3. Step 3: Cross multiply
    483,379.44x = 667,063.28 × 268,539.60
  4. Step 4: Simplify right side
    483,379.44x = 179,132,906,385.89
  5. Step 5: Solve for x
    x = 179,132,906,385.89/483,379.44
  6. Step 6: Final answer
    x = 370,584.46

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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.