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Finding the Fourth Proportional to 274,905.04, 379,370.28 and 179,355.28

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Solution

The fourth proportional to 274,905.04, 379,370.28 and 179,355.28 is: 247,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,905.04 : 379,370.28 = 179,355.28 : x
  2. Step 2: Convert to fraction form
    274,905.04/379,370.28 = 179,355.28/x
  3. Step 3: Cross multiply
    274,905.04x = 379,370.28 × 179,355.28
  4. Step 4: Simplify right side
    274,905.04x = 68,042,062,793.08
  5. Step 5: Solve for x
    x = 68,042,062,793.08/274,905.04
  6. Step 6: Final answer
    x = 247,511.15

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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.