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Finding the Fourth Proportional to 339,005.52, 468,001.80 and 238,850.64

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Solution

The fourth proportional to 339,005.52, 468,001.80 and 238,850.64 is: 329,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,005.52 : 468,001.80 = 238,850.64 : x
  2. Step 2: Convert to fraction form
    339,005.52/468,001.80 = 238,850.64/x
  3. Step 3: Cross multiply
    339,005.52x = 468,001.80 × 238,850.64
  4. Step 4: Simplify right side
    339,005.52x = 111,782,529,451.15
  5. Step 5: Solve for x
    x = 111,782,529,451.15/339,005.52
  6. Step 6: Final answer
    x = 329,736.61

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1.5x scale

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.