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Finding the Fourth Proportional to 267,306.20, 401,348.10 and 201,210.20

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Solution

The fourth proportional to 267,306.20, 401,348.10 and 201,210.20 is: 302,107.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,306.20 : 401,348.10 = 201,210.20 : x
  2. Step 2: Convert to fraction form
    267,306.20/401,348.10 = 201,210.20/x
  3. Step 3: Cross multiply
    267,306.20x = 401,348.10 × 201,210.20
  4. Step 4: Simplify right side
    267,306.20x = 80,755,331,470.62
  5. Step 5: Solve for x
    x = 80,755,331,470.62/267,306.20
  6. Step 6: Final answer
    x = 302,107.96

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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.