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Finding the Fourth Proportional to 300,667.84, 451,084.80 and 267,618.85

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Solution

The fourth proportional to 300,667.84, 451,084.80 and 267,618.85 is: 401,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,667.84 : 451,084.80 = 267,618.85 : x
  2. Step 2: Convert to fraction form
    300,667.84/451,084.80 = 267,618.85/x
  3. Step 3: Cross multiply
    300,667.84x = 451,084.80 × 267,618.85
  4. Step 4: Simplify right side
    300,667.84x = 120,718,793,297.20
  5. Step 5: Solve for x
    x = 120,718,793,297.20/300,667.84
  6. Step 6: Final answer
    x = 401,502.18

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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.