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Finding the Fourth Proportional to 274,337.10, 378,375.84 and 236,159.37

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Solution

The fourth proportional to 274,337.10, 378,375.84 and 236,159.37 is: 325,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,337.10 : 378,375.84 = 236,159.37 : x
  2. Step 2: Convert to fraction form
    274,337.10/378,375.84 = 236,159.37/x
  3. Step 3: Cross multiply
    274,337.10x = 378,375.84 × 236,159.37
  4. Step 4: Simplify right side
    274,337.10x = 89,356,999,997.62
  5. Step 5: Solve for x
    x = 89,356,999,997.62/274,337.10
  6. Step 6: Final answer
    x = 325,719.71

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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.