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Finding the Fourth Proportional to 250,072.36, 375,921.38 and 200,693.54

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Solution

The fourth proportional to 250,072.36, 375,921.38 and 200,693.54 is: 301,692.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,072.36 : 375,921.38 = 200,693.54 : x
  2. Step 2: Convert to fraction form
    250,072.36/375,921.38 = 200,693.54/x
  3. Step 3: Cross multiply
    250,072.36x = 375,921.38 × 200,693.54
  4. Step 4: Simplify right side
    250,072.36x = 75,444,992,513.89
  5. Step 5: Solve for x
    x = 75,444,992,513.89/250,072.36
  6. Step 6: Final answer
    x = 301,692.65

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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.