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Finding the Fourth Proportional to 481,896.96, 665,055.84 and 267,057.60

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Solution

The fourth proportional to 481,896.96, 665,055.84 and 267,057.60 is: 368,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,896.96 : 665,055.84 = 267,057.60 : x
  2. Step 2: Convert to fraction form
    481,896.96/665,055.84 = 267,057.60/x
  3. Step 3: Cross multiply
    481,896.96x = 665,055.84 × 267,057.60
  4. Step 4: Simplify right side
    481,896.96x = 177,608,216,496.38
  5. Step 5: Solve for x
    x = 177,608,216,496.38/481,896.96
  6. Step 6: Final answer
    x = 368,560.57

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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.