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Finding the Fourth Proportional to 481,371.74, 664,298.25 and 266,515.64

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Solution

The fourth proportional to 481,371.74, 664,298.25 and 266,515.64 is: 367,794.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,371.74 : 664,298.25 = 266,515.64 : x
  2. Step 2: Convert to fraction form
    481,371.74/664,298.25 = 266,515.64/x
  3. Step 3: Cross multiply
    481,371.74x = 664,298.25 × 266,515.64
  4. Step 4: Simplify right side
    481,371.74x = 177,045,873,249.63
  5. Step 5: Solve for x
    x = 177,045,873,249.63/481,371.74
  6. Step 6: Final answer
    x = 367,794.49

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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.