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Finding the Fourth Proportional to 329,552.10, 494,328.15 and 327,219.30

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Solution

The fourth proportional to 329,552.10, 494,328.15 and 327,219.30 is: 490,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,552.10 : 494,328.15 = 327,219.30 : x
  2. Step 2: Convert to fraction form
    329,552.10/494,328.15 = 327,219.30/x
  3. Step 3: Cross multiply
    329,552.10x = 494,328.15 × 327,219.30
  4. Step 4: Simplify right side
    329,552.10x = 161,753,711,213.30
  5. Step 5: Solve for x
    x = 161,753,711,213.30/329,552.10
  6. Step 6: Final answer
    x = 490,828.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.