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Finding the Fourth Proportional to 275,589.41, 380,033.37 and 259,516.58

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Solution

The fourth proportional to 275,589.41, 380,033.37 and 259,516.58 is: 357,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,589.41 : 380,033.37 = 259,516.58 : x
  2. Step 2: Convert to fraction form
    275,589.41/380,033.37 = 259,516.58/x
  3. Step 3: Cross multiply
    275,589.41x = 380,033.37 × 259,516.58
  4. Step 4: Simplify right side
    275,589.41x = 98,624,958,568.11
  5. Step 5: Solve for x
    x = 98,624,958,568.11/275,589.41
  6. Step 6: Final answer
    x = 357,869.20

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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.