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Finding the Fourth Proportional to 449,515.60, 674,371.86 and 169,032.86

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Solution

The fourth proportional to 449,515.60, 674,371.86 and 169,032.86 is: 253,586.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,515.60 : 674,371.86 = 169,032.86 : x
  2. Step 2: Convert to fraction form
    449,515.60/674,371.86 = 169,032.86/x
  3. Step 3: Cross multiply
    449,515.60x = 674,371.86 × 169,032.86
  4. Step 4: Simplify right side
    449,515.60x = 113,991,004,199.32
  5. Step 5: Solve for x
    x = 113,991,004,199.32/449,515.60
  6. Step 6: Final answer
    x = 253,586.31

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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.