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Finding the Fourth Proportional to 339,148.26, 467,928.63 and 218,359.44

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Solution

The fourth proportional to 339,148.26, 467,928.63 and 218,359.44 is: 301,274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,148.26 : 467,928.63 = 218,359.44 : x
  2. Step 2: Convert to fraction form
    339,148.26/467,928.63 = 218,359.44/x
  3. Step 3: Cross multiply
    339,148.26x = 467,928.63 × 218,359.44
  4. Step 4: Simplify right side
    339,148.26x = 102,176,633,606.77
  5. Step 5: Solve for x
    x = 102,176,633,606.77/339,148.26
  6. Step 6: Final answer
    x = 301,274.24

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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.