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Finding the Fourth Proportional to 362,187.60, 543,670.20 and 204,723.60

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Solution

The fourth proportional to 362,187.60, 543,670.20 and 204,723.60 is: 307,305.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,187.60 : 543,670.20 = 204,723.60 : x
  2. Step 2: Convert to fraction form
    362,187.60/543,670.20 = 204,723.60/x
  3. Step 3: Cross multiply
    362,187.60x = 543,670.20 × 204,723.60
  4. Step 4: Simplify right side
    362,187.60x = 111,302,120,556.72
  5. Step 5: Solve for x
    x = 111,302,120,556.72/362,187.60
  6. Step 6: Final answer
    x = 307,305.17

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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.