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Finding the Fourth Proportional to 267,266.60, 400,782.30 and 80,234.60

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Solution

The fourth proportional to 267,266.60, 400,782.30 and 80,234.60 is: 120,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,266.60 : 400,782.30 = 80,234.60 : x
  2. Step 2: Convert to fraction form
    267,266.60/400,782.30 = 80,234.60/x
  3. Step 3: Cross multiply
    267,266.60x = 400,782.30 × 80,234.60
  4. Step 4: Simplify right side
    267,266.60x = 32,156,607,527.58
  5. Step 5: Solve for x
    x = 32,156,607,527.58/267,266.60
  6. Step 6: Final answer
    x = 120,316.60

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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.