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Finding the Fourth Proportional to 227,042.64, 340,039.08 and 219,169.44

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Solution

The fourth proportional to 227,042.64, 340,039.08 and 219,169.44 is: 328,247.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,042.64 : 340,039.08 = 219,169.44 : x
  2. Step 2: Convert to fraction form
    227,042.64/340,039.08 = 219,169.44/x
  3. Step 3: Cross multiply
    227,042.64x = 340,039.08 × 219,169.44
  4. Step 4: Simplify right side
    227,042.64x = 74,526,174,741.72
  5. Step 5: Solve for x
    x = 74,526,174,741.72/227,042.64
  6. Step 6: Final answer
    x = 328,247.48

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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.