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Finding the Fourth Proportional to 452,793.77, 679,213.91 and 115,837.34

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Solution

The fourth proportional to 452,793.77, 679,213.91 and 115,837.34 is: 173,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,793.77 : 679,213.91 = 115,837.34 : x
  2. Step 2: Convert to fraction form
    452,793.77/679,213.91 = 115,837.34/x
  3. Step 3: Cross multiply
    452,793.77x = 679,213.91 × 115,837.34
  4. Step 4: Simplify right side
    452,793.77x = 78,678,329,229.33
  5. Step 5: Solve for x
    x = 78,678,329,229.33/452,793.77
  6. Step 6: Final answer
    x = 173,761.95

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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.