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Finding the Fourth Proportional to 483,965.48, 667,883.94 and 269,114.60

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Solution

The fourth proportional to 483,965.48, 667,883.94 and 269,114.60 is: 371,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,965.48 : 667,883.94 = 269,114.60 : x
  2. Step 2: Convert to fraction form
    483,965.48/667,883.94 = 269,114.60/x
  3. Step 3: Cross multiply
    483,965.48x = 667,883.94 × 269,114.60
  4. Step 4: Simplify right side
    483,965.48x = 179,737,319,359.52
  5. Step 5: Solve for x
    x = 179,737,319,359.52/483,965.48
  6. Step 6: Final answer
    x = 371,384.59

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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.