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Finding the Fourth Proportional to 544,288.35, 816,434.42 and 165,212.29

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Solution

The fourth proportional to 544,288.35, 816,434.42 and 165,212.29 is: 247,819.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,288.35 : 816,434.42 = 165,212.29 : x
  2. Step 2: Convert to fraction form
    544,288.35/816,434.42 = 165,212.29/x
  3. Step 3: Cross multiply
    544,288.35x = 816,434.42 × 165,212.29
  4. Step 4: Simplify right side
    544,288.35x = 134,885,000,163.02
  5. Step 5: Solve for x
    x = 134,885,000,163.02/544,288.35
  6. Step 6: Final answer
    x = 247,819.01

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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.