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Finding the Fourth Proportional to 449,493.17, 674,265.67 and 169,012.85

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Solution

The fourth proportional to 449,493.17, 674,265.67 and 169,012.85 is: 253,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,493.17 : 674,265.67 = 169,012.85 : x
  2. Step 2: Convert to fraction form
    449,493.17/674,265.67 = 169,012.85/x
  3. Step 3: Cross multiply
    449,493.17x = 674,265.67 × 169,012.85
  4. Step 4: Simplify right side
    449,493.17x = 113,959,558,750.00
  5. Step 5: Solve for x
    x = 113,959,558,750.00/449,493.17
  6. Step 6: Final answer
    x = 253,529.01

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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.