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Finding the Fourth Proportional to 356,772.78, 534,109.41 and 238,149.90

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Solution

The fourth proportional to 356,772.78, 534,109.41 and 238,149.90 is: 356,524.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,772.78 : 534,109.41 = 238,149.90 : x
  2. Step 2: Convert to fraction form
    356,772.78/534,109.41 = 238,149.90/x
  3. Step 3: Cross multiply
    356,772.78x = 534,109.41 × 238,149.90
  4. Step 4: Simplify right side
    356,772.78x = 127,198,102,580.56
  5. Step 5: Solve for x
    x = 127,198,102,580.56/356,772.78
  6. Step 6: Final answer
    x = 356,524.12

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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.