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Finding the Fourth Proportional to 481,881.96, 665,035.38 and 267,042.42

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Solution

The fourth proportional to 481,881.96, 665,035.38 and 267,042.42 is: 368,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,881.96 : 665,035.38 = 267,042.42 : x
  2. Step 2: Convert to fraction form
    481,881.96/665,035.38 = 267,042.42/x
  3. Step 3: Cross multiply
    481,881.96x = 665,035.38 × 267,042.42
  4. Step 4: Simplify right side
    481,881.96x = 177,592,657,260.82
  5. Step 5: Solve for x
    x = 177,592,657,260.82/481,881.96
  6. Step 6: Final answer
    x = 368,539.75

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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.