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Finding the Fourth Proportional to 483,393.78, 667,060.79 and 268,546.95

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Solution

The fourth proportional to 483,393.78, 667,060.79 and 268,546.95 is: 370,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,393.78 : 667,060.79 = 268,546.95 : x
  2. Step 2: Convert to fraction form
    483,393.78/667,060.79 = 268,546.95/x
  3. Step 3: Cross multiply
    483,393.78x = 667,060.79 × 268,546.95
  4. Step 4: Simplify right side
    483,393.78x = 179,137,139,276.36
  5. Step 5: Solve for x
    x = 179,137,139,276.36/483,393.78
  6. Step 6: Final answer
    x = 370,582.22

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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.