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Finding the Fourth Proportional to 449,511.08, 674,365.12 and 169,028.36

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Solution

The fourth proportional to 449,511.08, 674,365.12 and 169,028.36 is: 253,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,511.08 : 674,365.12 = 169,028.36 : x
  2. Step 2: Convert to fraction form
    449,511.08/674,365.12 = 169,028.36/x
  3. Step 3: Cross multiply
    449,511.08x = 674,365.12 × 169,028.36
  4. Step 4: Simplify right side
    449,511.08x = 113,986,830,274.80
  5. Step 5: Solve for x
    x = 113,986,830,274.80/449,511.08
  6. Step 6: Final answer
    x = 253,579.58

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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.