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Finding the Fourth Proportional to 329,439.67, 454,626.67 and 178,536.67

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Solution

The fourth proportional to 329,439.67, 454,626.67 and 178,536.67 is: 246,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,439.67 : 454,626.67 = 178,536.67 : x
  2. Step 2: Convert to fraction form
    329,439.67/454,626.67 = 178,536.67/x
  3. Step 3: Cross multiply
    329,439.67x = 454,626.67 × 178,536.67
  4. Step 4: Simplify right side
    329,439.67x = 81,167,531,754.99
  5. Step 5: Solve for x
    x = 81,167,531,754.99/329,439.67
  6. Step 6: Final answer
    x = 246,380.56

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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.