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Finding the Fourth Proportional to 230,912.30, 318,879.05 and 218,332.27

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Solution

The fourth proportional to 230,912.30, 318,879.05 and 218,332.27 is: 301,506.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,912.30 : 318,879.05 = 218,332.27 : x
  2. Step 2: Convert to fraction form
    230,912.30/318,879.05 = 218,332.27/x
  3. Step 3: Cross multiply
    230,912.30x = 318,879.05 × 218,332.27
  4. Step 4: Simplify right side
    230,912.30x = 69,621,585,247.55
  5. Step 5: Solve for x
    x = 69,621,585,247.55/230,912.30
  6. Step 6: Final answer
    x = 301,506.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.