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Finding the Fourth Proportional to 449,620.92, 674,234.28 and 168,941.16

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Solution

The fourth proportional to 449,620.92, 674,234.28 and 168,941.16 is: 253,337.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,620.92 : 674,234.28 = 168,941.16 : x
  2. Step 2: Convert to fraction form
    449,620.92/674,234.28 = 168,941.16/x
  3. Step 3: Cross multiply
    449,620.92x = 674,234.28 × 168,941.16
  4. Step 4: Simplify right side
    449,620.92x = 113,905,921,374.97
  5. Step 5: Solve for x
    x = 113,905,921,374.97/449,620.92
  6. Step 6: Final answer
    x = 253,337.68

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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.