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Finding the Fourth Proportional to 296,608.82, 444,716.39 and 207,969.71

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Solution

The fourth proportional to 296,608.82, 444,716.39 and 207,969.71 is: 311,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,608.82 : 444,716.39 = 207,969.71 : x
  2. Step 2: Convert to fraction form
    296,608.82/444,716.39 = 207,969.71/x
  3. Step 3: Cross multiply
    296,608.82x = 444,716.39 × 207,969.71
  4. Step 4: Simplify right side
    296,608.82x = 92,487,535,397.12
  5. Step 5: Solve for x
    x = 92,487,535,397.12/296,608.82
  6. Step 6: Final answer
    x = 311,816.54

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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.