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Finding the Fourth Proportional to 267,383.40, 400,805.21 and 167,613.65

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Solution

The fourth proportional to 267,383.40, 400,805.21 and 167,613.65 is: 251,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,383.40 : 400,805.21 = 167,613.65 : x
  2. Step 2: Convert to fraction form
    267,383.40/400,805.21 = 167,613.65/x
  3. Step 3: Cross multiply
    267,383.40x = 400,805.21 × 167,613.65
  4. Step 4: Simplify right side
    267,383.40x = 67,180,426,359.67
  5. Step 5: Solve for x
    x = 67,180,426,359.67/267,383.40
  6. Step 6: Final answer
    x = 251,251.30

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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.