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Finding the Fourth Proportional to 251,144.64, 376,339.68 and 227,436.48

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Solution

The fourth proportional to 251,144.64, 376,339.68 and 227,436.48 is: 340,813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,144.64 : 376,339.68 = 227,436.48 : x
  2. Step 2: Convert to fraction form
    251,144.64/376,339.68 = 227,436.48/x
  3. Step 3: Cross multiply
    251,144.64x = 376,339.68 × 227,436.48
  4. Step 4: Simplify right side
    251,144.64x = 85,593,372,103.53
  5. Step 5: Solve for x
    x = 85,593,372,103.53/251,144.64
  6. Step 6: Final answer
    x = 340,813.06

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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.