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Finding the Fourth Proportional to 227,039.64, 340,034.58 and 219,166.44

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Solution

The fourth proportional to 227,039.64, 340,034.58 and 219,166.44 is: 328,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,039.64 : 340,034.58 = 219,166.44 : x
  2. Step 2: Convert to fraction form
    227,039.64/340,034.58 = 219,166.44/x
  3. Step 3: Cross multiply
    227,039.64x = 340,034.58 × 219,166.44
  4. Step 4: Simplify right side
    227,039.64x = 74,524,168,375.50
  5. Step 5: Solve for x
    x = 74,524,168,375.50/227,039.64
  6. Step 6: Final answer
    x = 328,242.98

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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.