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Finding the Fourth Proportional to 303,664.55, 455,453.99 and 166,930.27

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Solution

The fourth proportional to 303,664.55, 455,453.99 and 166,930.27 is: 250,371.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,664.55 : 455,453.99 = 166,930.27 : x
  2. Step 2: Convert to fraction form
    303,664.55/455,453.99 = 166,930.27/x
  3. Step 3: Cross multiply
    303,664.55x = 455,453.99 × 166,930.27
  4. Step 4: Simplify right side
    303,664.55x = 76,029,056,175.98
  5. Step 5: Solve for x
    x = 76,029,056,175.98/303,664.55
  6. Step 6: Final answer
    x = 250,371.86

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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.