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Finding the Fourth Proportional to 308,850.80, 462,887.40 and 273,858.80

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Solution

The fourth proportional to 308,850.80, 462,887.40 and 273,858.80 is: 410,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,850.80 : 462,887.40 = 273,858.80 : x
  2. Step 2: Convert to fraction form
    308,850.80/462,887.40 = 273,858.80/x
  3. Step 3: Cross multiply
    308,850.80x = 462,887.40 × 273,858.80
  4. Step 4: Simplify right side
    308,850.80x = 126,765,787,899.12
  5. Step 5: Solve for x
    x = 126,765,787,899.12/308,850.80
  6. Step 6: Final answer
    x = 410,443.45

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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.