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Finding the Fourth Proportional to 627,112.70, 940,396.89 and 227,620.70

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Solution

The fourth proportional to 627,112.70, 940,396.89 and 227,620.70 is: 341,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,112.70 : 940,396.89 = 227,620.70 : x
  2. Step 2: Convert to fraction form
    627,112.70/940,396.89 = 227,620.70/x
  3. Step 3: Cross multiply
    627,112.70x = 940,396.89 × 227,620.70
  4. Step 4: Simplify right side
    627,112.70x = 214,053,798,379.62
  5. Step 5: Solve for x
    x = 214,053,798,379.62/627,112.70
  6. Step 6: Final answer
    x = 341,332.27

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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.