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Finding the Fourth Proportional to 609,817.86, 914,561.55 and 254,757.60

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Solution

The fourth proportional to 609,817.86, 914,561.55 and 254,757.60 is: 382,067.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,817.86 : 914,561.55 = 254,757.60 : x
  2. Step 2: Convert to fraction form
    609,817.86/914,561.55 = 254,757.60/x
  3. Step 3: Cross multiply
    609,817.86x = 914,561.55 × 254,757.60
  4. Step 4: Simplify right side
    609,817.86x = 232,991,505,530.28
  5. Step 5: Solve for x
    x = 232,991,505,530.28/609,817.86
  6. Step 6: Final answer
    x = 382,067.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.