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Finding the Fourth Proportional to 481,910.46, 665,040.15 and 267,054

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Solution

The fourth proportional to 481,910.46, 665,040.15 and 267,054 is: 368,536.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,910.46 : 665,040.15 = 267,054 : x
  2. Step 2: Convert to fraction form
    481,910.46/665,040.15 = 267,054/x
  3. Step 3: Cross multiply
    481,910.46x = 665,040.15 × 267,054
  4. Step 4: Simplify right side
    481,910.46x = 177,601,632,218.10
  5. Step 5: Solve for x
    x = 177,601,632,218.10/481,910.46
  6. Step 6: Final answer
    x = 368,536.58

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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.