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Finding the Fourth Proportional to 481,907.50, 665,046.93 and 267,027.46

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Solution

The fourth proportional to 481,907.50, 665,046.93 and 267,027.46 is: 368,505.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,907.50 : 665,046.93 = 267,027.46 : x
  2. Step 2: Convert to fraction form
    481,907.50/665,046.93 = 267,027.46/x
  3. Step 3: Cross multiply
    481,907.50x = 665,046.93 × 267,027.46
  4. Step 4: Simplify right side
    481,907.50x = 177,585,792,498.70
  5. Step 5: Solve for x
    x = 177,585,792,498.70/481,907.50
  6. Step 6: Final answer
    x = 368,505.97

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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.