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Finding the Fourth Proportional to 481,853.10, 664,956.63 and 267,007.08

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Solution

The fourth proportional to 481,853.10, 664,956.63 and 267,007.08 is: 368,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,853.10 : 664,956.63 = 267,007.08 : x
  2. Step 2: Convert to fraction form
    481,853.10/664,956.63 = 267,007.08/x
  3. Step 3: Cross multiply
    481,853.10x = 664,956.63 × 267,007.08
  4. Step 4: Simplify right side
    481,853.10x = 177,548,128,102.94
  5. Step 5: Solve for x
    x = 177,548,128,102.94/481,853.10
  6. Step 6: Final answer
    x = 368,469.41

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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.