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Finding the Fourth Proportional to 481,977.90, 665,151.94 and 267,118

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Solution

The fourth proportional to 481,977.90, 665,151.94 and 267,118 is: 368,635.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,977.90 : 665,151.94 = 267,118 : x
  2. Step 2: Convert to fraction form
    481,977.90/665,151.94 = 267,118/x
  3. Step 3: Cross multiply
    481,977.90x = 665,151.94 × 267,118
  4. Step 4: Simplify right side
    481,977.90x = 177,674,055,908.92
  5. Step 5: Solve for x
    x = 177,674,055,908.92/481,977.90
  6. Step 6: Final answer
    x = 368,635.28

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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.