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Finding the Fourth Proportional to 493,313.20, 739,751.10 and 226,936.60

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Solution

The fourth proportional to 493,313.20, 739,751.10 and 226,936.60 is: 340,304.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,313.20 : 739,751.10 = 226,936.60 : x
  2. Step 2: Convert to fraction form
    493,313.20/739,751.10 = 226,936.60/x
  3. Step 3: Cross multiply
    493,313.20x = 739,751.10 × 226,936.60
  4. Step 4: Simplify right side
    493,313.20x = 167,876,599,480.26
  5. Step 5: Solve for x
    x = 167,876,599,480.26/493,313.20
  6. Step 6: Final answer
    x = 340,304.29

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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.