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Finding the Fourth Proportional to 436,592.88, 655,240.05 and 226,290.96

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Solution

The fourth proportional to 436,592.88, 655,240.05 and 226,290.96 is: 339,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,592.88 : 655,240.05 = 226,290.96 : x
  2. Step 2: Convert to fraction form
    436,592.88/655,240.05 = 226,290.96/x
  3. Step 3: Cross multiply
    436,592.88x = 655,240.05 × 226,290.96
  4. Step 4: Simplify right side
    436,592.88x = 148,274,899,944.95
  5. Step 5: Solve for x
    x = 148,274,899,944.95/436,592.88
  6. Step 6: Final answer
    x = 339,618.23

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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.