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Finding the Fourth Proportional to 382,500.74, 573,736.44 and 102,015.56

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Solution

The fourth proportional to 382,500.74, 573,736.44 and 102,015.56 is: 153,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,500.74 : 573,736.44 = 102,015.56 : x
  2. Step 2: Convert to fraction form
    382,500.74/573,736.44 = 102,015.56/x
  3. Step 3: Cross multiply
    382,500.74x = 573,736.44 × 102,015.56
  4. Step 4: Simplify right side
    382,500.74x = 58,530,044,219.01
  5. Step 5: Solve for x
    x = 58,530,044,219.01/382,500.74
  6. Step 6: Final answer
    x = 153,019.43

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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.