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Finding the Fourth Proportional to 483,602.56, 667,387.71 and 268,751.68

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Solution

The fourth proportional to 483,602.56, 667,387.71 and 268,751.68 is: 370,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,602.56 : 667,387.71 = 268,751.68 : x
  2. Step 2: Convert to fraction form
    483,602.56/667,387.71 = 268,751.68/x
  3. Step 3: Cross multiply
    483,602.56x = 667,387.71 × 268,751.68
  4. Step 4: Simplify right side
    483,602.56x = 179,361,568,273.85
  5. Step 5: Solve for x
    x = 179,361,568,273.85/483,602.56
  6. Step 6: Final answer
    x = 370,886.31

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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.