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Finding the Fourth Proportional to 451,661.77, 677,865.39 and 227,086.03

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Solution

The fourth proportional to 451,661.77, 677,865.39 and 227,086.03 is: 340,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,661.77 : 677,865.39 = 227,086.03 : x
  2. Step 2: Convert to fraction form
    451,661.77/677,865.39 = 227,086.03/x
  3. Step 3: Cross multiply
    451,661.77x = 677,865.39 × 227,086.03
  4. Step 4: Simplify right side
    451,661.77x = 153,933,760,289.50
  5. Step 5: Solve for x
    x = 153,933,760,289.50/451,661.77
  6. Step 6: Final answer
    x = 340,816.45

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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.