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Finding the Fourth Proportional to 299,272.60, 449,427.30 and 159,304.60

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Solution

The fourth proportional to 299,272.60, 449,427.30 and 159,304.60 is: 239,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,272.60 : 449,427.30 = 159,304.60 : x
  2. Step 2: Convert to fraction form
    299,272.60/449,427.30 = 159,304.60/x
  3. Step 3: Cross multiply
    299,272.60x = 449,427.30 × 159,304.60
  4. Step 4: Simplify right side
    299,272.60x = 71,595,836,255.58
  5. Step 5: Solve for x
    x = 71,595,836,255.58/299,272.60
  6. Step 6: Final answer
    x = 239,232.85

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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.