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Finding the Fourth Proportional to 379,168.11, 568,858.46 and 165,954.60

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Solution

The fourth proportional to 379,168.11, 568,858.46 and 165,954.60 is: 248,978.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,168.11 : 568,858.46 = 165,954.60 : x
  2. Step 2: Convert to fraction form
    379,168.11/568,858.46 = 165,954.60/x
  3. Step 3: Cross multiply
    379,168.11x = 568,858.46 × 165,954.60
  4. Step 4: Simplify right side
    379,168.11x = 94,404,677,356.14
  5. Step 5: Solve for x
    x = 94,404,677,356.14/379,168.11
  6. Step 6: Final answer
    x = 248,978.42

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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.