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Finding the Fourth Proportional to 481,876.34, 665,015.92 and 267,011.82

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Solution

The fourth proportional to 481,876.34, 665,015.92 and 267,011.82 is: 368,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,876.34 : 665,015.92 = 267,011.82 : x
  2. Step 2: Convert to fraction form
    481,876.34/665,015.92 = 267,011.82/x
  3. Step 3: Cross multiply
    481,876.34x = 665,015.92 × 267,011.82
  4. Step 4: Simplify right side
    481,876.34x = 177,567,111,128.17
  5. Step 5: Solve for x
    x = 177,567,111,128.17/481,876.34
  6. Step 6: Final answer
    x = 368,491.03

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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.