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Finding the Fourth Proportional to 267,364.80, 400,917.60 and 148,910.40

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Solution

The fourth proportional to 267,364.80, 400,917.60 and 148,910.40 is: 223,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,364.80 : 400,917.60 = 148,910.40 : x
  2. Step 2: Convert to fraction form
    267,364.80/400,917.60 = 148,910.40/x
  3. Step 3: Cross multiply
    267,364.80x = 400,917.60 × 148,910.40
  4. Step 4: Simplify right side
    267,364.80x = 59,700,800,183.04
  5. Step 5: Solve for x
    x = 59,700,800,183.04/267,364.80
  6. Step 6: Final answer
    x = 223,293.42

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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.