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Finding the Fourth Proportional to 270,183.32, 405,274.44 and 253,741.87

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Solution

The fourth proportional to 270,183.32, 405,274.44 and 253,741.87 is: 380,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,183.32 : 405,274.44 = 253,741.87 : x
  2. Step 2: Convert to fraction form
    270,183.32/405,274.44 = 253,741.87/x
  3. Step 3: Cross multiply
    270,183.32x = 405,274.44 × 253,741.87
  4. Step 4: Simplify right side
    270,183.32x = 102,835,093,255.62
  5. Step 5: Solve for x
    x = 102,835,093,255.62/270,183.32
  6. Step 6: Final answer
    x = 380,612.29

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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.