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Finding the Fourth Proportional to 544,653.60, 816,986.34 and 165,635.97

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Solution

The fourth proportional to 544,653.60, 816,986.34 and 165,635.97 is: 248,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,653.60 : 816,986.34 = 165,635.97 : x
  2. Step 2: Convert to fraction form
    544,653.60/816,986.34 = 165,635.97/x
  3. Step 3: Cross multiply
    544,653.60x = 816,986.34 × 165,635.97
  4. Step 4: Simplify right side
    544,653.60x = 135,322,324,902.65
  5. Step 5: Solve for x
    x = 135,322,324,902.65/544,653.60
  6. Step 6: Final answer
    x = 248,455.76

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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.