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Finding the Fourth Proportional to 481,452.80, 664,396.76 and 266,588.26

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Solution

The fourth proportional to 481,452.80, 664,396.76 and 266,588.26 is: 367,887.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,452.80 : 664,396.76 = 266,588.26 : x
  2. Step 2: Convert to fraction form
    481,452.80/664,396.76 = 266,588.26/x
  3. Step 3: Cross multiply
    481,452.80x = 664,396.76 × 266,588.26
  4. Step 4: Simplify right side
    481,452.80x = 177,120,376,198.04
  5. Step 5: Solve for x
    x = 177,120,376,198.04/481,452.80
  6. Step 6: Final answer
    x = 367,887.31

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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.