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Finding the Fourth Proportional to 274,429.89, 378,707.24 and 150,250.62

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Solution

The fourth proportional to 274,429.89, 378,707.24 and 150,250.62 is: 207,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,429.89 : 378,707.24 = 150,250.62 : x
  2. Step 2: Convert to fraction form
    274,429.89/378,707.24 = 150,250.62/x
  3. Step 3: Cross multiply
    274,429.89x = 378,707.24 × 150,250.62
  4. Step 4: Simplify right side
    274,429.89x = 56,900,995,714.95
  5. Step 5: Solve for x
    x = 56,900,995,714.95/274,429.89
  6. Step 6: Final answer
    x = 207,342.56

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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.