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Finding the Fourth Proportional to 559,771.92, 839,789.10 and 185,794.92

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Solution

The fourth proportional to 559,771.92, 839,789.10 and 185,794.92 is: 278,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,771.92 : 839,789.10 = 185,794.92 : x
  2. Step 2: Convert to fraction form
    559,771.92/839,789.10 = 185,794.92/x
  3. Step 3: Cross multiply
    559,771.92x = 839,789.10 × 185,794.92
  4. Step 4: Simplify right side
    559,771.92x = 156,028,548,651.37
  5. Step 5: Solve for x
    x = 156,028,548,651.37/559,771.92
  6. Step 6: Final answer
    x = 278,735.93

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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.