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Finding the Fourth Proportional to 643,969.82, 965,923.56 and 244,579.42

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Solution

The fourth proportional to 643,969.82, 965,923.56 and 244,579.42 is: 366,857.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,969.82 : 965,923.56 = 244,579.42 : x
  2. Step 2: Convert to fraction form
    643,969.82/965,923.56 = 244,579.42/x
  3. Step 3: Cross multiply
    643,969.82x = 965,923.56 × 244,579.42
  4. Step 4: Simplify right side
    643,969.82x = 236,245,027,305.32
  5. Step 5: Solve for x
    x = 236,245,027,305.32/643,969.82
  6. Step 6: Final answer
    x = 366,857.30

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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.