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Finding the Fourth Proportional to 351,469.90, 485,027.56 and 190,324.94

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Solution

The fourth proportional to 351,469.90, 485,027.56 and 190,324.94 is: 262,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,469.90 : 485,027.56 = 190,324.94 : x
  2. Step 2: Convert to fraction form
    351,469.90/485,027.56 = 190,324.94/x
  3. Step 3: Cross multiply
    351,469.90x = 485,027.56 × 190,324.94
  4. Step 4: Simplify right side
    351,469.90x = 92,312,841,255.35
  5. Step 5: Solve for x
    x = 92,312,841,255.35/351,469.90
  6. Step 6: Final answer
    x = 262,647.93

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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.