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Finding the Fourth Proportional to 329,165.30, 454,311.09 and 193,229.30

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Solution

The fourth proportional to 329,165.30, 454,311.09 and 193,229.30 is: 266,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,165.30 : 454,311.09 = 193,229.30 : x
  2. Step 2: Convert to fraction form
    329,165.30/454,311.09 = 193,229.30/x
  3. Step 3: Cross multiply
    329,165.30x = 454,311.09 × 193,229.30
  4. Step 4: Simplify right side
    329,165.30x = 87,786,213,902.94
  5. Step 5: Solve for x
    x = 87,786,213,902.94/329,165.30
  6. Step 6: Final answer
    x = 266,693.40

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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.