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Finding the Fourth Proportional to 344,342.31, 516,217.65 and 119,673.56

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Solution

The fourth proportional to 344,342.31, 516,217.65 and 119,673.56 is: 179,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,342.31 : 516,217.65 = 119,673.56 : x
  2. Step 2: Convert to fraction form
    344,342.31/516,217.65 = 119,673.56/x
  3. Step 3: Cross multiply
    344,342.31x = 516,217.65 × 119,673.56
  4. Step 4: Simplify right side
    344,342.31x = 61,777,603,910.33
  5. Step 5: Solve for x
    x = 61,777,603,910.33/344,342.31
  6. Step 6: Final answer
    x = 179,407.53

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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.