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Finding the Fourth Proportional to 223,414.80, 335,813.40 and 219,267.60

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Solution

The fourth proportional to 223,414.80, 335,813.40 and 219,267.60 is: 329,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,414.80 : 335,813.40 = 219,267.60 : x
  2. Step 2: Convert to fraction form
    223,414.80/335,813.40 = 219,267.60/x
  3. Step 3: Cross multiply
    223,414.80x = 335,813.40 × 219,267.60
  4. Step 4: Simplify right side
    223,414.80x = 73,632,998,265.84
  5. Step 5: Solve for x
    x = 73,632,998,265.84/223,414.80
  6. Step 6: Final answer
    x = 329,579.77

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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.