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Finding the Fourth Proportional to 263,889.33, 395,802.41 and 74,363.91

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Solution

The fourth proportional to 263,889.33, 395,802.41 and 74,363.91 is: 111,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,889.33 : 395,802.41 = 74,363.91 : x
  2. Step 2: Convert to fraction form
    263,889.33/395,802.41 = 74,363.91/x
  3. Step 3: Cross multiply
    263,889.33x = 395,802.41 × 74,363.91
  4. Step 4: Simplify right side
    263,889.33x = 29,433,414,423.20
  5. Step 5: Solve for x
    x = 29,433,414,423.20/263,889.33
  6. Step 6: Final answer
    x = 111,536.96

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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.