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Finding the Fourth Proportional to 400,013.28, 600,023.04 and 119,532.96

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Solution

The fourth proportional to 400,013.28, 600,023.04 and 119,532.96 is: 179,300.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,013.28 : 600,023.04 = 119,532.96 : x
  2. Step 2: Convert to fraction form
    400,013.28/600,023.04 = 119,532.96/x
  3. Step 3: Cross multiply
    400,013.28x = 600,023.04 × 119,532.96
  4. Step 4: Simplify right side
    400,013.28x = 71,722,530,039.40
  5. Step 5: Solve for x
    x = 71,722,530,039.40/400,013.28
  6. Step 6: Final answer
    x = 179,300.37

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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.