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Finding the Fourth Proportional to 481,962.12, 665,107.74 and 267,134.48

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Solution

The fourth proportional to 481,962.12, 665,107.74 and 267,134.48 is: 368,645.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,962.12 : 665,107.74 = 267,134.48 : x
  2. Step 2: Convert to fraction form
    481,962.12/665,107.74 = 267,134.48/x
  3. Step 3: Cross multiply
    481,962.12x = 665,107.74 × 267,134.48
  4. Step 4: Simplify right side
    481,962.12x = 177,673,210,268.88
  5. Step 5: Solve for x
    x = 177,673,210,268.88/481,962.12
  6. Step 6: Final answer
    x = 368,645.59

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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.