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Finding the Fourth Proportional to 298,371.82, 411,761.99 and 183,716.62

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Solution

The fourth proportional to 298,371.82, 411,761.99 and 183,716.62 is: 253,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,371.82 : 411,761.99 = 183,716.62 : x
  2. Step 2: Convert to fraction form
    298,371.82/411,761.99 = 183,716.62/x
  3. Step 3: Cross multiply
    298,371.82x = 411,761.99 × 183,716.62
  4. Step 4: Simplify right side
    298,371.82x = 75,647,521,314.55
  5. Step 5: Solve for x
    x = 75,647,521,314.55/298,371.82
  6. Step 6: Final answer
    x = 253,534.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.