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Finding the Fourth Proportional to 322,137.63, 444,550.28 and 178,897.95

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Solution

The fourth proportional to 322,137.63, 444,550.28 and 178,897.95 is: 246,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,137.63 : 444,550.28 = 178,897.95 : x
  2. Step 2: Convert to fraction form
    322,137.63/444,550.28 = 178,897.95/x
  3. Step 3: Cross multiply
    322,137.63x = 444,550.28 × 178,897.95
  4. Step 4: Simplify right side
    322,137.63x = 79,529,132,869.44
  5. Step 5: Solve for x
    x = 79,529,132,869.44/322,137.63
  6. Step 6: Final answer
    x = 246,879.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.