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Finding the Fourth Proportional to 659,694.44, 989,606.46 and 186,383.48

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Solution

The fourth proportional to 659,694.44, 989,606.46 and 186,383.48 is: 279,593.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,694.44 : 989,606.46 = 186,383.48 : x
  2. Step 2: Convert to fraction form
    659,694.44/989,606.46 = 186,383.48/x
  3. Step 3: Cross multiply
    659,694.44x = 989,606.46 × 186,383.48
  4. Step 4: Simplify right side
    659,694.44x = 184,446,295,845.28
  5. Step 5: Solve for x
    x = 184,446,295,845.28/659,694.44
  6. Step 6: Final answer
    x = 279,593.53

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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.