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Finding the Fourth Proportional to 481,694.88, 664,730.24 and 266,834.28

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Solution

The fourth proportional to 481,694.88, 664,730.24 and 266,834.28 is: 368,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,694.88 : 664,730.24 = 266,834.28 : x
  2. Step 2: Convert to fraction form
    481,694.88/664,730.24 = 266,834.28/x
  3. Step 3: Cross multiply
    481,694.88x = 664,730.24 × 266,834.28
  4. Step 4: Simplify right side
    481,694.88x = 177,372,813,650.46
  5. Step 5: Solve for x
    x = 177,372,813,650.46/481,694.88
  6. Step 6: Final answer
    x = 368,226.49

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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.