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Finding the Fourth Proportional to 239,468.88, 359,861 and 223,866.48

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Solution

The fourth proportional to 239,468.88, 359,861 and 223,866.48 is: 336,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,468.88 : 359,861 = 223,866.48 : x
  2. Step 2: Convert to fraction form
    239,468.88/359,861 = 223,866.48/x
  3. Step 3: Cross multiply
    239,468.88x = 359,861 × 223,866.48
  4. Step 4: Simplify right side
    239,468.88x = 80,560,815,359.28
  5. Step 5: Solve for x
    x = 80,560,815,359.28/239,468.88
  6. Step 6: Final answer
    x = 336,414.55

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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.