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Finding the Fourth Proportional to 493,234.57, 739,856.97 and 173,395.38

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Solution

The fourth proportional to 493,234.57, 739,856.97 and 173,395.38 is: 260,094.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,234.57 : 739,856.97 = 173,395.38 : x
  2. Step 2: Convert to fraction form
    493,234.57/739,856.97 = 173,395.38/x
  3. Step 3: Cross multiply
    493,234.57x = 739,856.97 × 173,395.38
  4. Step 4: Simplify right side
    493,234.57x = 128,287,783,964.77
  5. Step 5: Solve for x
    x = 128,287,783,964.77/493,234.57
  6. Step 6: Final answer
    x = 260,094.88

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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.