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Finding the Fourth Proportional to 436,843.59, 654,997.79 and 170,292.71

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Solution

The fourth proportional to 436,843.59, 654,997.79 and 170,292.71 is: 255,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,843.59 : 654,997.79 = 170,292.71 : x
  2. Step 2: Convert to fraction form
    436,843.59/654,997.79 = 170,292.71/x
  3. Step 3: Cross multiply
    436,843.59x = 654,997.79 × 170,292.71
  4. Step 4: Simplify right side
    436,843.59x = 111,541,344,576.66
  5. Step 5: Solve for x
    x = 111,541,344,576.66/436,843.59
  6. Step 6: Final answer
    x = 255,334.74

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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.