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Finding the Fourth Proportional to 481,796.80, 664,884.93 and 266,940.25

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Solution

The fourth proportional to 481,796.80, 664,884.93 and 266,940.25 is: 368,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,796.80 : 664,884.93 = 266,940.25 : x
  2. Step 2: Convert to fraction form
    481,796.80/664,884.93 = 266,940.25/x
  3. Step 3: Cross multiply
    481,796.80x = 664,884.93 × 266,940.25
  4. Step 4: Simplify right side
    481,796.80x = 177,484,549,435.43
  5. Step 5: Solve for x
    x = 177,484,549,435.43/481,796.80
  6. Step 6: Final answer
    x = 368,380.51

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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.