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Finding the Fourth Proportional to 483,538.26, 667,269.60 and 268,672.80

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Solution

The fourth proportional to 483,538.26, 667,269.60 and 268,672.80 is: 370,761.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,538.26 : 667,269.60 = 268,672.80 : x
  2. Step 2: Convert to fraction form
    483,538.26/667,269.60 = 268,672.80/x
  3. Step 3: Cross multiply
    483,538.26x = 667,269.60 × 268,672.80
  4. Step 4: Simplify right side
    483,538.26x = 179,277,191,786.88
  5. Step 5: Solve for x
    x = 179,277,191,786.88/483,538.26
  6. Step 6: Final answer
    x = 370,761.13

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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.