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Finding the Fourth Proportional to 483,905.88, 667,806.93 and 269,055

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Solution

The fourth proportional to 483,905.88, 667,806.93 and 269,055 is: 371,305.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,905.88 : 667,806.93 = 269,055 : x
  2. Step 2: Convert to fraction form
    483,905.88/667,806.93 = 269,055/x
  3. Step 3: Cross multiply
    483,905.88x = 667,806.93 × 269,055
  4. Step 4: Simplify right side
    483,905.88x = 179,676,793,551.15
  5. Step 5: Solve for x
    x = 179,676,793,551.15/483,905.88
  6. Step 6: Final answer
    x = 371,305.25

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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.