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Finding the Fourth Proportional to 599,630.40, 899,791.20 and 225,921.60

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Solution

The fourth proportional to 599,630.40, 899,791.20 and 225,921.60 is: 339,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,630.40 : 899,791.20 = 225,921.60 : x
  2. Step 2: Convert to fraction form
    599,630.40/899,791.20 = 225,921.60/x
  3. Step 3: Cross multiply
    599,630.40x = 899,791.20 × 225,921.60
  4. Step 4: Simplify right side
    599,630.40x = 203,282,267,569.92
  5. Step 5: Solve for x
    x = 203,282,267,569.92/599,630.40
  6. Step 6: Final answer
    x = 339,012.61

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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.