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Finding the Fourth Proportional to 493,270.06, 739,998.42 and 156,395.56

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Solution

The fourth proportional to 493,270.06, 739,998.42 and 156,395.56 is: 234,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,270.06 : 739,998.42 = 156,395.56 : x
  2. Step 2: Convert to fraction form
    493,270.06/739,998.42 = 156,395.56/x
  3. Step 3: Cross multiply
    493,270.06x = 739,998.42 × 156,395.56
  4. Step 4: Simplify right side
    493,270.06x = 115,732,467,295.02
  5. Step 5: Solve for x
    x = 115,732,467,295.02/493,270.06
  6. Step 6: Final answer
    x = 234,622.93

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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.