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Finding the Fourth Proportional to 483,814.62, 667,681.31 and 266,039.87

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Solution

The fourth proportional to 483,814.62, 667,681.31 and 266,039.87 is: 367,144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,814.62 : 667,681.31 = 266,039.87 : x
  2. Step 2: Convert to fraction form
    483,814.62/667,681.31 = 266,039.87/x
  3. Step 3: Cross multiply
    483,814.62x = 667,681.31 × 266,039.87
  4. Step 4: Simplify right side
    483,814.62x = 177,629,848,913.83
  5. Step 5: Solve for x
    x = 177,629,848,913.83/483,814.62
  6. Step 6: Final answer
    x = 367,144.44

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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.