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Finding the Fourth Proportional to 481,297.80, 664,186.56 and 266,446.92

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Solution

The fourth proportional to 481,297.80, 664,186.56 and 266,446.92 is: 367,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,297.80 : 664,186.56 = 266,446.92 : x
  2. Step 2: Convert to fraction form
    481,297.80/664,186.56 = 266,446.92/x
  3. Step 3: Cross multiply
    481,297.80x = 664,186.56 × 266,446.92
  4. Step 4: Simplify right side
    481,297.80x = 176,970,463,217.40
  5. Step 5: Solve for x
    x = 176,970,463,217.40/481,297.80
  6. Step 6: Final answer
    x = 367,694.31

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1.5x scale

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.