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Finding the Fourth Proportional to 253,249.56, 380,003.94 and 103,600.44

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Solution

The fourth proportional to 253,249.56, 380,003.94 and 103,600.44 is: 155,453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,249.56 : 380,003.94 = 103,600.44 : x
  2. Step 2: Convert to fraction form
    253,249.56/380,003.94 = 103,600.44/x
  3. Step 3: Cross multiply
    253,249.56x = 380,003.94 × 103,600.44
  4. Step 4: Simplify right side
    253,249.56x = 39,368,575,385.73
  5. Step 5: Solve for x
    x = 39,368,575,385.73/253,249.56
  6. Step 6: Final answer
    x = 155,453.68

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1.5x scale

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.