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Finding the Fourth Proportional to 481,900.77, 665,015.27 and 267,040.17

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Solution

The fourth proportional to 481,900.77, 665,015.27 and 267,040.17 is: 368,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,900.77 : 665,015.27 = 267,040.17 : x
  2. Step 2: Convert to fraction form
    481,900.77/665,015.27 = 267,040.17/x
  3. Step 3: Cross multiply
    481,900.77x = 665,015.27 × 267,040.17
  4. Step 4: Simplify right side
    481,900.77x = 177,585,789,418.20
  5. Step 5: Solve for x
    x = 177,585,789,418.20/481,900.77
  6. Step 6: Final answer
    x = 368,511.11

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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.