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Finding the Fourth Proportional to 329,626.62, 454,883.22 and 178,723.62

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Solution

The fourth proportional to 329,626.62, 454,883.22 and 178,723.62 is: 246,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,626.62 : 454,883.22 = 178,723.62 : x
  2. Step 2: Convert to fraction form
    329,626.62/454,883.22 = 178,723.62/x
  3. Step 3: Cross multiply
    329,626.62x = 454,883.22 × 178,723.62
  4. Step 4: Simplify right side
    329,626.62x = 81,298,375,755.66
  5. Step 5: Solve for x
    x = 81,298,375,755.66/329,626.62
  6. Step 6: Final answer
    x = 246,637.77

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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.