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Finding the Fourth Proportional to 483,385.60, 667,049.49 and 268,538.77

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Solution

The fourth proportional to 483,385.60, 667,049.49 and 268,538.77 is: 370,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,385.60 : 667,049.49 = 268,538.77 : x
  2. Step 2: Convert to fraction form
    483,385.60/667,049.49 = 268,538.77/x
  3. Step 3: Cross multiply
    483,385.60x = 667,049.49 × 268,538.77
  4. Step 4: Simplify right side
    483,385.60x = 179,128,649,573.73
  5. Step 5: Solve for x
    x = 179,128,649,573.73/483,385.60
  6. Step 6: Final answer
    x = 370,570.93

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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.