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Finding the Fourth Proportional to 483,591.36, 667,335.87 and 268,729.50

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Solution

The fourth proportional to 483,591.36, 667,335.87 and 268,729.50 is: 370,835.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,591.36 : 667,335.87 = 268,729.50 : x
  2. Step 2: Convert to fraction form
    483,591.36/667,335.87 = 268,729.50/x
  3. Step 3: Cross multiply
    483,591.36x = 667,335.87 × 268,729.50
  4. Step 4: Simplify right side
    483,591.36x = 179,332,834,677.17
  5. Step 5: Solve for x
    x = 179,332,834,677.17/483,591.36
  6. Step 6: Final answer
    x = 370,835.48

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1.5x scale

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.