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Finding the Fourth Proportional to 481,896.87, 665,021.59 and 267,040.53

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Solution

The fourth proportional to 481,896.87, 665,021.59 and 267,040.53 is: 368,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,896.87 : 665,021.59 = 267,040.53 : x
  2. Step 2: Convert to fraction form
    481,896.87/665,021.59 = 267,040.53/x
  3. Step 3: Cross multiply
    481,896.87x = 665,021.59 × 267,040.53
  4. Step 4: Simplify right side
    481,896.87x = 177,587,714,529.94
  5. Step 5: Solve for x
    x = 177,587,714,529.94/481,896.87
  6. Step 6: Final answer
    x = 368,518.09

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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.