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Finding the Fourth Proportional to 329,103.72, 454,163.49 and 178,200.36

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Solution

The fourth proportional to 329,103.72, 454,163.49 and 178,200.36 is: 245,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,103.72 : 454,163.49 = 178,200.36 : x
  2. Step 2: Convert to fraction form
    329,103.72/454,163.49 = 178,200.36/x
  3. Step 3: Cross multiply
    329,103.72x = 454,163.49 × 178,200.36
  4. Step 4: Simplify right side
    329,103.72x = 80,932,097,416.86
  5. Step 5: Solve for x
    x = 80,932,097,416.86/329,103.72
  6. Step 6: Final answer
    x = 245,916.69

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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.