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Finding the Fourth Proportional to 436,263.63, 654,745.41 and 225,961.71

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Solution

The fourth proportional to 436,263.63, 654,745.41 and 225,961.71 is: 339,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,263.63 : 654,745.41 = 225,961.71 : x
  2. Step 2: Convert to fraction form
    436,263.63/654,745.41 = 225,961.71/x
  3. Step 3: Cross multiply
    436,263.63x = 654,745.41 × 225,961.71
  4. Step 4: Simplify right side
    436,263.63x = 147,947,392,458.25
  5. Step 5: Solve for x
    x = 147,947,392,458.25/436,263.63
  6. Step 6: Final answer
    x = 339,123.83

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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.