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Finding the Fourth Proportional to 223,857.60, 335,786.40 and 219,969.60

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Solution

The fourth proportional to 223,857.60, 335,786.40 and 219,969.60 is: 329,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,857.60 : 335,786.40 = 219,969.60 : x
  2. Step 2: Convert to fraction form
    223,857.60/335,786.40 = 219,969.60/x
  3. Step 3: Cross multiply
    223,857.60x = 335,786.40 × 219,969.60
  4. Step 4: Simplify right side
    223,857.60x = 73,862,800,093.44
  5. Step 5: Solve for x
    x = 73,862,800,093.44/223,857.60
  6. Step 6: Final answer
    x = 329,954.40

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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.