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Finding the Fourth Proportional to 329,432.48, 454,449.84 and 220,541.12

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Solution

The fourth proportional to 329,432.48, 454,449.84 and 220,541.12 is: 304,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,432.48 : 454,449.84 = 220,541.12 : x
  2. Step 2: Convert to fraction form
    329,432.48/454,449.84 = 220,541.12/x
  3. Step 3: Cross multiply
    329,432.48x = 454,449.84 × 220,541.12
  4. Step 4: Simplify right side
    329,432.48x = 100,224,876,697.42
  5. Step 5: Solve for x
    x = 100,224,876,697.42/329,432.48
  6. Step 6: Final answer
    x = 304,234.96

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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.