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Finding the Fourth Proportional to 299,751.20, 449,497.20 and 149,933.60

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Solution

The fourth proportional to 299,751.20, 449,497.20 and 149,933.60 is: 224,835.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,751.20 : 449,497.20 = 149,933.60 : x
  2. Step 2: Convert to fraction form
    299,751.20/449,497.20 = 149,933.60/x
  3. Step 3: Cross multiply
    299,751.20x = 449,497.20 × 149,933.60
  4. Step 4: Simplify right side
    299,751.20x = 67,394,733,385.92
  5. Step 5: Solve for x
    x = 67,394,733,385.92/299,751.20
  6. Step 6: Final answer
    x = 224,835.57

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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.