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Finding the Fourth Proportional to 436,902.56, 655,134.64 and 254,592.43

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Solution

The fourth proportional to 436,902.56, 655,134.64 and 254,592.43 is: 381,760.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,902.56 : 655,134.64 = 254,592.43 : x
  2. Step 2: Convert to fraction form
    436,902.56/655,134.64 = 254,592.43/x
  3. Step 3: Cross multiply
    436,902.56x = 655,134.64 × 254,592.43
  4. Step 4: Simplify right side
    436,902.56x = 166,792,319,974.78
  5. Step 5: Solve for x
    x = 166,792,319,974.78/436,902.56
  6. Step 6: Final answer
    x = 381,760.91

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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.