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Finding the Fourth Proportional to 481,757.43, 664,830.60 and 266,900.88

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Solution

The fourth proportional to 481,757.43, 664,830.60 and 266,900.88 is: 368,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,757.43 : 664,830.60 = 266,900.88 : x
  2. Step 2: Convert to fraction form
    481,757.43/664,830.60 = 266,900.88/x
  3. Step 3: Cross multiply
    481,757.43x = 664,830.60 × 266,900.88
  4. Step 4: Simplify right side
    481,757.43x = 177,443,872,190.93
  5. Step 5: Solve for x
    x = 177,443,872,190.93/481,757.43
  6. Step 6: Final answer
    x = 368,326.18

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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.