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Finding the Fourth Proportional to 481,899.88, 665,025.74 and 267,043.52

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Solution

The fourth proportional to 481,899.88, 665,025.74 and 267,043.52 is: 368,522.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,899.88 : 665,025.74 = 267,043.52 : x
  2. Step 2: Convert to fraction form
    481,899.88/665,025.74 = 267,043.52/x
  3. Step 3: Cross multiply
    481,899.88x = 665,025.74 × 267,043.52
  4. Step 4: Simplify right side
    481,899.88x = 177,590,814,500.21
  5. Step 5: Solve for x
    x = 177,590,814,500.21/481,899.88
  6. Step 6: Final answer
    x = 368,522.22

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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.