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Finding the Fourth Proportional to 394,166.68, 591,253.26 and 169,511.56

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Solution

The fourth proportional to 394,166.68, 591,253.26 and 169,511.56 is: 254,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,166.68 : 591,253.26 = 169,511.56 : x
  2. Step 2: Convert to fraction form
    394,166.68/591,253.26 = 169,511.56/x
  3. Step 3: Cross multiply
    394,166.68x = 591,253.26 × 169,511.56
  4. Step 4: Simplify right side
    394,166.68x = 100,224,262,457.69
  5. Step 5: Solve for x
    x = 100,224,262,457.69/394,166.68
  6. Step 6: Final answer
    x = 254,268.73

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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.