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Finding the Fourth Proportional to 449,509.85, 674,363.24 and 169,027.10

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Solution

The fourth proportional to 449,509.85, 674,363.24 and 169,027.10 is: 253,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,509.85 : 674,363.24 = 169,027.10 : x
  2. Step 2: Convert to fraction form
    449,509.85/674,363.24 = 169,027.10/x
  3. Step 3: Cross multiply
    449,509.85x = 674,363.24 × 169,027.10
  4. Step 4: Simplify right side
    449,509.85x = 113,985,662,803.80
  5. Step 5: Solve for x
    x = 113,985,662,803.80/449,509.85
  6. Step 6: Final answer
    x = 253,577.68

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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.