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Finding the Fourth Proportional to 306,667.20, 460,000.80 and 267,301.20

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Solution

The fourth proportional to 306,667.20, 460,000.80 and 267,301.20 is: 400,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,667.20 : 460,000.80 = 267,301.20 : x
  2. Step 2: Convert to fraction form
    306,667.20/460,000.80 = 267,301.20/x
  3. Step 3: Cross multiply
    306,667.20x = 460,000.80 × 267,301.20
  4. Step 4: Simplify right side
    306,667.20x = 122,958,765,840.96
  5. Step 5: Solve for x
    x = 122,958,765,840.96/306,667.20
  6. Step 6: Final answer
    x = 400,951.80

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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.