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Finding the Fourth Proportional to 449,504.10, 674,354.61 and 169,021.35

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Solution

The fourth proportional to 449,504.10, 674,354.61 and 169,021.35 is: 253,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,504.10 : 674,354.61 = 169,021.35 : x
  2. Step 2: Convert to fraction form
    449,504.10/674,354.61 = 169,021.35/x
  3. Step 3: Cross multiply
    449,504.10x = 674,354.61 × 169,021.35
  4. Step 4: Simplify right side
    449,504.10x = 113,980,326,560.92
  5. Step 5: Solve for x
    x = 113,980,326,560.92/449,504.10
  6. Step 6: Final answer
    x = 253,569.05

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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.