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Finding the Fourth Proportional to 483,979.43, 667,907.93 and 266,204.95

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Solution

The fourth proportional to 483,979.43, 667,907.93 and 266,204.95 is: 367,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,979.43 : 667,907.93 = 266,204.95 : x
  2. Step 2: Convert to fraction form
    483,979.43/667,907.93 = 266,204.95/x
  3. Step 3: Cross multiply
    483,979.43x = 667,907.93 × 266,204.95
  4. Step 4: Simplify right side
    483,979.43x = 177,800,396,106.00
  5. Step 5: Solve for x
    x = 177,800,396,106.00/483,979.43
  6. Step 6: Final answer
    x = 367,371.80

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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.