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Finding the Fourth Proportional to 483,812.38, 667,659.34 and 266,035.31

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Solution

The fourth proportional to 483,812.38, 667,659.34 and 266,035.31 is: 367,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,812.38 : 667,659.34 = 266,035.31 : x
  2. Step 2: Convert to fraction form
    483,812.38/667,659.34 = 266,035.31/x
  3. Step 3: Cross multiply
    483,812.38x = 667,659.34 × 266,035.31
  4. Step 4: Simplify right side
    483,812.38x = 177,620,959,491.30
  5. Step 5: Solve for x
    x = 177,620,959,491.30/483,812.38
  6. Step 6: Final answer
    x = 367,127.77

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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.