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Finding the Fourth Proportional to 426,847.69, 589,049.62 and 235,859.41

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Solution

The fourth proportional to 426,847.69, 589,049.62 and 235,859.41 is: 325,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,847.69 : 589,049.62 = 235,859.41 : x
  2. Step 2: Convert to fraction form
    426,847.69/589,049.62 = 235,859.41/x
  3. Step 3: Cross multiply
    426,847.69x = 589,049.62 × 235,859.41
  4. Step 4: Simplify right side
    426,847.69x = 138,932,895,833.92
  5. Step 5: Solve for x
    x = 138,932,895,833.92/426,847.69
  6. Step 6: Final answer
    x = 325,485.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.