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Finding the Fourth Proportional to 515,759.30, 773,753.72 and 169,558.41

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Solution

The fourth proportional to 515,759.30, 773,753.72 and 169,558.41 is: 254,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,759.30 : 773,753.72 = 169,558.41 : x
  2. Step 2: Convert to fraction form
    515,759.30/773,753.72 = 169,558.41/x
  3. Step 3: Cross multiply
    515,759.30x = 773,753.72 × 169,558.41
  4. Step 4: Simplify right side
    515,759.30x = 131,196,449,646.99
  5. Step 5: Solve for x
    x = 131,196,449,646.99/515,759.30
  6. Step 6: Final answer
    x = 254,375.35

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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.