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Finding the Fourth Proportional to 263,895.27, 395,842.44 and 74,355.27

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Solution

The fourth proportional to 263,895.27, 395,842.44 and 74,355.27 is: 111,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,895.27 : 395,842.44 = 74,355.27 : x
  2. Step 2: Convert to fraction form
    263,895.27/395,842.44 = 74,355.27/x
  3. Step 3: Cross multiply
    263,895.27x = 395,842.44 × 74,355.27
  4. Step 4: Simplify right side
    263,895.27x = 29,432,970,298.08
  5. Step 5: Solve for x
    x = 29,432,970,298.08/263,895.27
  6. Step 6: Final answer
    x = 111,532.77

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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.