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Finding the Fourth Proportional to 544,422.96, 816,635.70 and 165,346.65

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Solution

The fourth proportional to 544,422.96, 816,635.70 and 165,346.65 is: 248,020.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,422.96 : 816,635.70 = 165,346.65 : x
  2. Step 2: Convert to fraction form
    544,422.96/816,635.70 = 165,346.65/x
  3. Step 3: Cross multiply
    544,422.96x = 816,635.70 × 165,346.65
  4. Step 4: Simplify right side
    544,422.96x = 135,027,977,265.41
  5. Step 5: Solve for x
    x = 135,027,977,265.41/544,422.96
  6. Step 6: Final answer
    x = 248,020.36

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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.