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Finding the Fourth Proportional to 544,446.54, 816,616.59 and 165,370.56

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Solution

The fourth proportional to 544,446.54, 816,616.59 and 165,370.56 is: 248,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,446.54 : 816,616.59 = 165,370.56 : x
  2. Step 2: Convert to fraction form
    544,446.54/816,616.59 = 165,370.56/x
  3. Step 3: Cross multiply
    544,446.54x = 816,616.59 × 165,370.56
  4. Step 4: Simplify right side
    544,446.54x = 135,044,344,021.07
  5. Step 5: Solve for x
    x = 135,044,344,021.07/544,446.54
  6. Step 6: Final answer
    x = 248,039.68

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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.