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Finding the Fourth Proportional to 299,630.40, 449,310.24 and 159,359.04

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Solution

The fourth proportional to 299,630.40, 449,310.24 and 159,359.04 is: 238,966.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,630.40 : 449,310.24 = 159,359.04 : x
  2. Step 2: Convert to fraction form
    299,630.40/449,310.24 = 159,359.04/x
  3. Step 3: Cross multiply
    299,630.40x = 449,310.24 × 159,359.04
  4. Step 4: Simplify right side
    299,630.40x = 71,601,648,508.57
  5. Step 5: Solve for x
    x = 71,601,648,508.57/299,630.40
  6. Step 6: Final answer
    x = 238,966.57

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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.