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Finding the Fourth Proportional to 339,027.52, 468,032.16 and 238,872.64

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Solution

The fourth proportional to 339,027.52, 468,032.16 and 238,872.64 is: 329,766.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,027.52 : 468,032.16 = 238,872.64 : x
  2. Step 2: Convert to fraction form
    339,027.52/468,032.16 = 238,872.64/x
  3. Step 3: Cross multiply
    339,027.52x = 468,032.16 × 238,872.64
  4. Step 4: Simplify right side
    339,027.52x = 111,800,077,664.10
  5. Step 5: Solve for x
    x = 111,800,077,664.10/339,027.52
  6. Step 6: Final answer
    x = 329,766.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.