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Finding the Fourth Proportional to 329,141.91, 454,213.20 and 178,238.91

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Solution

The fourth proportional to 329,141.91, 454,213.20 and 178,238.91 is: 245,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,141.91 : 454,213.20 = 178,238.91 : x
  2. Step 2: Convert to fraction form
    329,141.91/454,213.20 = 178,238.91/x
  3. Step 3: Cross multiply
    329,141.91x = 454,213.20 × 178,238.91
  4. Step 4: Simplify right side
    329,141.91x = 80,958,465,675.61
  5. Step 5: Solve for x
    x = 80,958,465,675.61/329,141.91
  6. Step 6: Final answer
    x = 245,968.27

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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.