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Finding the Fourth Proportional to 323,951.70, 447,050.30 and 178,758.84

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Solution

The fourth proportional to 323,951.70, 447,050.30 and 178,758.84 is: 246,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,951.70 : 447,050.30 = 178,758.84 : x
  2. Step 2: Convert to fraction form
    323,951.70/447,050.30 = 178,758.84/x
  3. Step 3: Cross multiply
    323,951.70x = 447,050.30 × 178,758.84
  4. Step 4: Simplify right side
    323,951.70x = 79,914,192,155.86
  5. Step 5: Solve for x
    x = 79,914,192,155.86/323,951.70
  6. Step 6: Final answer
    x = 246,685.52

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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.