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Finding the Fourth Proportional to 532,183.69, 798,509.37 and 279,405.44

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Solution

The fourth proportional to 532,183.69, 798,509.37 and 279,405.44 is: 419,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,183.69 : 798,509.37 = 279,405.44 : x
  2. Step 2: Convert to fraction form
    532,183.69/798,509.37 = 279,405.44/x
  3. Step 3: Cross multiply
    532,183.69x = 798,509.37 × 279,405.44
  4. Step 4: Simplify right side
    532,183.69x = 223,107,861,868.97
  5. Step 5: Solve for x
    x = 223,107,861,868.97/532,183.69
  6. Step 6: Final answer
    x = 419,230.93

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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.