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Finding the Fourth Proportional to 300,084.74, 449,893.35 and 150,247.88

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Solution

The fourth proportional to 300,084.74, 449,893.35 and 150,247.88 is: 225,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,084.74 : 449,893.35 = 150,247.88 : x
  2. Step 2: Convert to fraction form
    300,084.74/449,893.35 = 150,247.88/x
  3. Step 3: Cross multiply
    300,084.74x = 449,893.35 × 150,247.88
  4. Step 4: Simplify right side
    300,084.74x = 67,595,522,063.60
  5. Step 5: Solve for x
    x = 67,595,522,063.60/300,084.74
  6. Step 6: Final answer
    x = 225,254.78

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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.