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Finding the Fourth Proportional to 493,169.92, 739,100.90 and 253,274.14

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Solution

The fourth proportional to 493,169.92, 739,100.90 and 253,274.14 is: 379,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,169.92 : 739,100.90 = 253,274.14 : x
  2. Step 2: Convert to fraction form
    493,169.92/739,100.90 = 253,274.14/x
  3. Step 3: Cross multiply
    493,169.92x = 739,100.90 × 253,274.14
  4. Step 4: Simplify right side
    493,169.92x = 187,195,146,377.79
  5. Step 5: Solve for x
    x = 187,195,146,377.79/493,169.92
  6. Step 6: Final answer
    x = 379,575.35

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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.