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Finding the Fourth Proportional to 436,593.88, 655,241.55 and 226,291.96

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Solution

The fourth proportional to 436,593.88, 655,241.55 and 226,291.96 is: 339,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,593.88 : 655,241.55 = 226,291.96 : x
  2. Step 2: Convert to fraction form
    436,593.88/655,241.55 = 226,291.96/x
  3. Step 3: Cross multiply
    436,593.88x = 655,241.55 × 226,291.96
  4. Step 4: Simplify right side
    436,593.88x = 148,275,894,622.94
  5. Step 5: Solve for x
    x = 148,275,894,622.94/436,593.88
  6. Step 6: Final answer
    x = 339,619.73

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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.