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Finding the Fourth Proportional to 293,317.73, 404,784.21 and 191,408.39

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Solution

The fourth proportional to 293,317.73, 404,784.21 and 191,408.39 is: 264,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,317.73 : 404,784.21 = 191,408.39 : x
  2. Step 2: Convert to fraction form
    293,317.73/404,784.21 = 191,408.39/x
  3. Step 3: Cross multiply
    293,317.73x = 404,784.21 × 191,408.39
  4. Step 4: Simplify right side
    293,317.73x = 77,479,093,933.52
  5. Step 5: Solve for x
    x = 77,479,093,933.52/293,317.73
  6. Step 6: Final answer
    x = 264,147.33

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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.