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Finding the Fourth Proportional to 308,622.92, 425,728.16 and 179,546.90

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Solution

The fourth proportional to 308,622.92, 425,728.16 and 179,546.90 is: 247,674.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,622.92 : 425,728.16 = 179,546.90 : x
  2. Step 2: Convert to fraction form
    308,622.92/425,728.16 = 179,546.90/x
  3. Step 3: Cross multiply
    308,622.92x = 425,728.16 × 179,546.90
  4. Step 4: Simplify right side
    308,622.92x = 76,438,171,370.70
  5. Step 5: Solve for x
    x = 76,438,171,370.70/308,622.92
  6. Step 6: Final answer
    x = 247,674.97

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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.