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Finding the Fourth Proportional to 483,539.09, 667,254.60 and 268,671.80

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Solution

The fourth proportional to 483,539.09, 667,254.60 and 268,671.80 is: 370,750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,539.09 : 667,254.60 = 268,671.80 : x
  2. Step 2: Convert to fraction form
    483,539.09/667,254.60 = 268,671.80/x
  3. Step 3: Cross multiply
    483,539.09x = 667,254.60 × 268,671.80
  4. Step 4: Simplify right side
    483,539.09x = 179,272,491,104.01
  5. Step 5: Solve for x
    x = 179,272,491,104.01/483,539.09
  6. Step 6: Final answer
    x = 370,750.78

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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.