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Finding the Fourth Proportional to 483,814.12, 667,680.62 and 266,039.37

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Solution

The fourth proportional to 483,814.12, 667,680.62 and 266,039.37 is: 367,143.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,814.12 : 667,680.62 = 266,039.37 : x
  2. Step 2: Convert to fraction form
    483,814.12/667,680.62 = 266,039.37/x
  3. Step 3: Cross multiply
    483,814.12x = 667,680.62 × 266,039.37
  4. Step 4: Simplify right side
    483,814.12x = 177,629,331,672.28
  5. Step 5: Solve for x
    x = 177,629,331,672.28/483,814.12
  6. Step 6: Final answer
    x = 367,143.75

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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.