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Finding the Fourth Proportional to 481,895.62, 665,019.86 and 267,039.27

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Solution

The fourth proportional to 481,895.62, 665,019.86 and 267,039.27 is: 368,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,895.62 : 665,019.86 = 267,039.27 : x
  2. Step 2: Convert to fraction form
    481,895.62/665,019.86 = 267,039.27/x
  3. Step 3: Cross multiply
    481,895.62x = 665,019.86 × 267,039.27
  4. Step 4: Simplify right side
    481,895.62x = 177,586,420,280.05
  5. Step 5: Solve for x
    x = 177,586,420,280.05/481,895.62
  6. Step 6: Final answer
    x = 368,516.36

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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.