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Finding the Fourth Proportional to 500,680.44, 751,013.37 and 121,604.09

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Solution

The fourth proportional to 500,680.44, 751,013.37 and 121,604.09 is: 182,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,680.44 : 751,013.37 = 121,604.09 : x
  2. Step 2: Convert to fraction form
    500,680.44/751,013.37 = 121,604.09/x
  3. Step 3: Cross multiply
    500,680.44x = 751,013.37 × 121,604.09
  4. Step 4: Simplify right side
    500,680.44x = 91,326,293,681.62
  5. Step 5: Solve for x
    x = 91,326,293,681.62/500,680.44
  6. Step 6: Final answer
    x = 182,404.36

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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.