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Finding the Fourth Proportional to 300,122.58, 449,768.34 and 150,172.14

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Solution

The fourth proportional to 300,122.58, 449,768.34 and 150,172.14 is: 225,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,122.58 : 449,768.34 = 150,172.14 : x
  2. Step 2: Convert to fraction form
    300,122.58/449,768.34 = 150,172.14/x
  3. Step 3: Cross multiply
    300,122.58x = 449,768.34 × 150,172.14
  4. Step 4: Simplify right side
    300,122.58x = 67,542,674,122.05
  5. Step 5: Solve for x
    x = 67,542,674,122.05/300,122.58
  6. Step 6: Final answer
    x = 225,050.29

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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.