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Finding the Fourth Proportional to 323,451.91, 445,948.97 and 265,093.86

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Solution

The fourth proportional to 323,451.91, 445,948.97 and 265,093.86 is: 365,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,451.91 : 445,948.97 = 265,093.86 : x
  2. Step 2: Convert to fraction form
    323,451.91/445,948.97 = 265,093.86/x
  3. Step 3: Cross multiply
    323,451.91x = 445,948.97 × 265,093.86
  4. Step 4: Simplify right side
    323,451.91x = 118,218,334,912.74
  5. Step 5: Solve for x
    x = 118,218,334,912.74/323,451.91
  6. Step 6: Final answer
    x = 365,489.68

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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.