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Finding the Fourth Proportional to 481,930.92, 665,066.40 and 267,074.64

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Solution

The fourth proportional to 481,930.92, 665,066.40 and 267,074.64 is: 368,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,930.92 : 665,066.40 = 267,074.64 : x
  2. Step 2: Convert to fraction form
    481,930.92/665,066.40 = 267,074.64/x
  3. Step 3: Cross multiply
    481,930.92x = 665,066.40 × 267,074.64
  4. Step 4: Simplify right side
    481,930.92x = 177,622,369,356.10
  5. Step 5: Solve for x
    x = 177,622,369,356.10/481,930.92
  6. Step 6: Final answer
    x = 368,563.96

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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.