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Finding the Fourth Proportional to 669,016, 923,226.78 and 363,092.95

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Solution

The fourth proportional to 669,016, 923,226.78 and 363,092.95 is: 501,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,016 : 923,226.78 = 363,092.95 : x
  2. Step 2: Convert to fraction form
    669,016/923,226.78 = 363,092.95/x
  3. Step 3: Cross multiply
    669,016x = 923,226.78 × 363,092.95
  4. Step 4: Simplify right side
    669,016x = 335,217,135,069.20
  5. Step 5: Solve for x
    x = 335,217,135,069.20/669,016
  6. Step 6: Final answer
    x = 501,059.97

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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.