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Finding the Fourth Proportional to 299,704.20, 449,325.90 and 168,376.20

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Solution

The fourth proportional to 299,704.20, 449,325.90 and 168,376.20 is: 252,434.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,704.20 : 449,325.90 = 168,376.20 : x
  2. Step 2: Convert to fraction form
    299,704.20/449,325.90 = 168,376.20/x
  3. Step 3: Cross multiply
    299,704.20x = 449,325.90 × 168,376.20
  4. Step 4: Simplify right side
    299,704.20x = 75,655,787,603.58
  5. Step 5: Solve for x
    x = 75,655,787,603.58/299,704.20
  6. Step 6: Final answer
    x = 252,434.86

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1.5x scale

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.