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Finding the Fourth Proportional to 308,849.80, 462,885.90 and 273,857.80

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Solution

The fourth proportional to 308,849.80, 462,885.90 and 273,857.80 is: 410,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,849.80 : 462,885.90 = 273,857.80 : x
  2. Step 2: Convert to fraction form
    308,849.80/462,885.90 = 273,857.80/x
  3. Step 3: Cross multiply
    308,849.80x = 462,885.90 × 273,857.80
  4. Step 4: Simplify right side
    308,849.80x = 126,764,914,225.02
  5. Step 5: Solve for x
    x = 126,764,914,225.02/308,849.80
  6. Step 6: Final answer
    x = 410,441.95

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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.