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Finding the Fourth Proportional to 394,273.17, 591,300.81 and 169,585.65

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Solution

The fourth proportional to 394,273.17, 591,300.81 and 169,585.65 is: 254,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,273.17 : 591,300.81 = 169,585.65 : x
  2. Step 2: Convert to fraction form
    394,273.17/591,300.81 = 169,585.65/x
  3. Step 3: Cross multiply
    394,273.17x = 591,300.81 × 169,585.65
  4. Step 4: Simplify right side
    394,273.17x = 100,276,132,209.38
  5. Step 5: Solve for x
    x = 100,276,132,209.38/394,273.17
  6. Step 6: Final answer
    x = 254,331.62

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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.