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Finding the Fourth Proportional to 483,955.40, 667,873.88 and 269,104.52

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Solution

The fourth proportional to 483,955.40, 667,873.88 and 269,104.52 is: 371,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,955.40 : 667,873.88 = 269,104.52 : x
  2. Step 2: Convert to fraction form
    483,955.40/667,873.88 = 269,104.52/x
  3. Step 3: Cross multiply
    483,955.40x = 667,873.88 × 269,104.52
  4. Step 4: Simplify right side
    483,955.40x = 179,727,875,213.05
  5. Step 5: Solve for x
    x = 179,727,875,213.05/483,955.40
  6. Step 6: Final answer
    x = 371,372.81

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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.