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Finding the Fourth Proportional to 219,596.28, 329,245.38 and 69,791.64

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Solution

The fourth proportional to 219,596.28, 329,245.38 and 69,791.64 is: 104,640.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,596.28 : 329,245.38 = 69,791.64 : x
  2. Step 2: Convert to fraction form
    219,596.28/329,245.38 = 69,791.64/x
  3. Step 3: Cross multiply
    219,596.28x = 329,245.38 × 69,791.64
  4. Step 4: Simplify right side
    219,596.28x = 22,978,575,032.62
  5. Step 5: Solve for x
    x = 22,978,575,032.62/219,596.28
  6. Step 6: Final answer
    x = 104,640.09

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1.5x scale

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.