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Finding the Fourth Proportional to 304,598.60, 455,861.10 and 267,273.80

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Solution

The fourth proportional to 304,598.60, 455,861.10 and 267,273.80 is: 400,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,598.60 : 455,861.10 = 267,273.80 : x
  2. Step 2: Convert to fraction form
    304,598.60/455,861.10 = 267,273.80/x
  3. Step 3: Cross multiply
    304,598.60x = 455,861.10 × 267,273.80
  4. Step 4: Simplify right side
    304,598.60x = 121,839,728,469.18
  5. Step 5: Solve for x
    x = 121,839,728,469.18/304,598.60
  6. Step 6: Final answer
    x = 400,000.95

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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.