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Finding the Fourth Proportional to 323,029.96, 445,776.88 and 179,790.05

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Solution

The fourth proportional to 323,029.96, 445,776.88 and 179,790.05 is: 248,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,029.96 : 445,776.88 = 179,790.05 : x
  2. Step 2: Convert to fraction form
    323,029.96/445,776.88 = 179,790.05/x
  3. Step 3: Cross multiply
    323,029.96x = 445,776.88 × 179,790.05
  4. Step 4: Simplify right side
    323,029.96x = 80,146,247,544.04
  5. Step 5: Solve for x
    x = 80,146,247,544.04/323,029.96
  6. Step 6: Final answer
    x = 248,107.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.