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Finding the Fourth Proportional to 436,896.80, 655,126.02 and 254,586.66

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Solution

The fourth proportional to 436,896.80, 655,126.02 and 254,586.66 is: 381,752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,896.80 : 655,126.02 = 254,586.66 : x
  2. Step 2: Convert to fraction form
    436,896.80/655,126.02 = 254,586.66/x
  3. Step 3: Cross multiply
    436,896.80x = 655,126.02 × 254,586.66
  4. Step 4: Simplify right side
    436,896.80x = 166,786,342,854.17
  5. Step 5: Solve for x
    x = 166,786,342,854.17/436,896.80
  6. Step 6: Final answer
    x = 381,752.27

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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.