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Finding the Fourth Proportional to 227,048.64, 340,048.08 and 219,175.44

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Solution

The fourth proportional to 227,048.64, 340,048.08 and 219,175.44 is: 328,256.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,048.64 : 340,048.08 = 219,175.44 : x
  2. Step 2: Convert to fraction form
    227,048.64/340,048.08 = 219,175.44/x
  3. Step 3: Cross multiply
    227,048.64x = 340,048.08 × 219,175.44
  4. Step 4: Simplify right side
    227,048.64x = 74,530,187,555.16
  5. Step 5: Solve for x
    x = 74,530,187,555.16/227,048.64
  6. Step 6: Final answer
    x = 328,256.48

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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.