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Finding the Fourth Proportional to 544,287.35, 816,432.92 and 165,211.29

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Solution

The fourth proportional to 544,287.35, 816,432.92 and 165,211.29 is: 247,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,287.35 : 816,432.92 = 165,211.29 : x
  2. Step 2: Convert to fraction form
    544,287.35/816,432.92 = 165,211.29/x
  3. Step 3: Cross multiply
    544,287.35x = 816,432.92 × 165,211.29
  4. Step 4: Simplify right side
    544,287.35x = 134,883,935,911.67
  5. Step 5: Solve for x
    x = 134,883,935,911.67/544,287.35
  6. Step 6: Final answer
    x = 247,817.51

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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.