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Finding the Fourth Proportional to 493,680.30, 739,960.44 and 226,889.40

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Solution

The fourth proportional to 493,680.30, 739,960.44 and 226,889.40 is: 340,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,680.30 : 739,960.44 = 226,889.40 : x
  2. Step 2: Convert to fraction form
    493,680.30/739,960.44 = 226,889.40/x
  3. Step 3: Cross multiply
    493,680.30x = 739,960.44 × 226,889.40
  4. Step 4: Simplify right side
    493,680.30x = 167,889,180,255.34
  5. Step 5: Solve for x
    x = 167,889,180,255.34/493,680.30
  6. Step 6: Final answer
    x = 340,076.73

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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.