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Finding the Fourth Proportional to 484,600.82, 668,737.56 and 269,736.26

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Solution

The fourth proportional to 484,600.82, 668,737.56 and 269,736.26 is: 372,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,600.82 : 668,737.56 = 269,736.26 : x
  2. Step 2: Convert to fraction form
    484,600.82/668,737.56 = 269,736.26/x
  3. Step 3: Cross multiply
    484,600.82x = 668,737.56 × 269,736.26
  4. Step 4: Simplify right side
    484,600.82x = 180,382,765,012.24
  5. Step 5: Solve for x
    x = 180,382,765,012.24/484,600.82
  6. Step 6: Final answer
    x = 372,229.59

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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.