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Finding the Fourth Proportional to 481,906.65, 665,035.08 and 267,050.28

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Solution

The fourth proportional to 481,906.65, 665,035.08 and 267,050.28 is: 368,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,906.65 : 665,035.08 = 267,050.28 : x
  2. Step 2: Convert to fraction form
    481,906.65/665,035.08 = 267,050.28/x
  3. Step 3: Cross multiply
    481,906.65x = 665,035.08 × 267,050.28
  4. Step 4: Simplify right side
    481,906.65x = 177,597,804,323.82
  5. Step 5: Solve for x
    x = 177,597,804,323.82/481,906.65
  6. Step 6: Final answer
    x = 368,531.55

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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.