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Finding the Fourth Proportional to 493,269.06, 739,996.92 and 156,394.56

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Solution

The fourth proportional to 493,269.06, 739,996.92 and 156,394.56 is: 234,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,269.06 : 739,996.92 = 156,394.56 : x
  2. Step 2: Convert to fraction form
    493,269.06/739,996.92 = 156,394.56/x
  3. Step 3: Cross multiply
    493,269.06x = 739,996.92 × 156,394.56
  4. Step 4: Simplify right side
    493,269.06x = 115,731,492,704.76
  5. Step 5: Solve for x
    x = 115,731,492,704.76/493,269.06
  6. Step 6: Final answer
    x = 234,621.43

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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.