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Finding the Fourth Proportional to 481,711.29, 664,761.58 and 266,865.27

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Solution

The fourth proportional to 481,711.29, 664,761.58 and 266,865.27 is: 368,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,711.29 : 664,761.58 = 266,865.27 : x
  2. Step 2: Convert to fraction form
    481,711.29/664,761.58 = 266,865.27/x
  3. Step 3: Cross multiply
    481,711.29x = 664,761.58 × 266,865.27
  4. Step 4: Simplify right side
    481,711.29x = 177,401,776,873.43
  5. Step 5: Solve for x
    x = 177,401,776,873.43/481,711.29
  6. Step 6: Final answer
    x = 368,274.07

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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.