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Finding the Fourth Proportional to 379,974.92, 570,119.31 and 166,632.39

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Solution

The fourth proportional to 379,974.92, 570,119.31 and 166,632.39 is: 250,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,974.92 : 570,119.31 = 166,632.39 : x
  2. Step 2: Convert to fraction form
    379,974.92/570,119.31 = 166,632.39/x
  3. Step 3: Cross multiply
    379,974.92x = 570,119.31 × 166,632.39
  4. Step 4: Simplify right side
    379,974.92x = 95,000,342,377.29
  5. Step 5: Solve for x
    x = 95,000,342,377.29/379,974.92
  6. Step 6: Final answer
    x = 250,017.41

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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.