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Finding the Fourth Proportional to 329,286.96, 454,415.94 and 178,383.96

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Solution

The fourth proportional to 329,286.96, 454,415.94 and 178,383.96 is: 246,169.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,286.96 : 454,415.94 = 178,383.96 : x
  2. Step 2: Convert to fraction form
    329,286.96/454,415.94 = 178,383.96/x
  3. Step 3: Cross multiply
    329,286.96x = 454,415.94 × 178,383.96
  4. Step 4: Simplify right side
    329,286.96x = 81,060,514,864.32
  5. Step 5: Solve for x
    x = 81,060,514,864.32/329,286.96
  6. Step 6: Final answer
    x = 246,169.83

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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.