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Finding the Fourth Proportional to 338,650.48, 467,358.72 and 187,747.48

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Solution

The fourth proportional to 338,650.48, 467,358.72 and 187,747.48 is: 259,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,650.48 : 467,358.72 = 187,747.48 : x
  2. Step 2: Convert to fraction form
    338,650.48/467,358.72 = 187,747.48/x
  3. Step 3: Cross multiply
    338,650.48x = 467,358.72 × 187,747.48
  4. Step 4: Simplify right side
    338,650.48x = 87,745,421,936.03
  5. Step 5: Solve for x
    x = 87,745,421,936.03/338,650.48
  6. Step 6: Final answer
    x = 259,103.20

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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.