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Finding the Fourth Proportional to 481,880.46, 665,033.31 and 267,040.92

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Solution

The fourth proportional to 481,880.46, 665,033.31 and 267,040.92 is: 368,537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,880.46 : 665,033.31 = 267,040.92 : x
  2. Step 2: Convert to fraction form
    481,880.46/665,033.31 = 267,040.92/x
  3. Step 3: Cross multiply
    481,880.46x = 665,033.31 × 267,040.92
  4. Step 4: Simplify right side
    481,880.46x = 177,591,106,933.05
  5. Step 5: Solve for x
    x = 177,591,106,933.05/481,880.46
  6. Step 6: Final answer
    x = 368,537.68

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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.