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Finding the Fourth Proportional to 481,454.01, 664,398.38 and 266,589.45

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Solution

The fourth proportional to 481,454.01, 664,398.38 and 266,589.45 is: 367,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,454.01 : 664,398.38 = 266,589.45 : x
  2. Step 2: Convert to fraction form
    481,454.01/664,398.38 = 266,589.45/x
  3. Step 3: Cross multiply
    481,454.01x = 664,398.38 × 266,589.45
  4. Step 4: Simplify right side
    481,454.01x = 177,121,597,372.14
  5. Step 5: Solve for x
    x = 177,121,597,372.14/481,454.01
  6. Step 6: Final answer
    x = 367,888.92

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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.