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Finding the Fourth Proportional to 449,619.30, 674,234.55 and 224,892.90

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Solution

The fourth proportional to 449,619.30, 674,234.55 and 224,892.90 is: 337,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,619.30 : 674,234.55 = 224,892.90 : x
  2. Step 2: Convert to fraction form
    449,619.30/674,234.55 = 224,892.90/x
  3. Step 3: Cross multiply
    449,619.30x = 674,234.55 × 224,892.90
  4. Step 4: Simplify right side
    449,619.30x = 151,630,563,229.70
  5. Step 5: Solve for x
    x = 151,630,563,229.70/449,619.30
  6. Step 6: Final answer
    x = 337,242.11

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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.