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Finding the Fourth Proportional to 483,581.72, 667,147.91 and 292,262.96

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Solution

The fourth proportional to 483,581.72, 667,147.91 and 292,262.96 is: 403,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,581.72 : 667,147.91 = 292,262.96 : x
  2. Step 2: Convert to fraction form
    483,581.72/667,147.91 = 292,262.96/x
  3. Step 3: Cross multiply
    483,581.72x = 667,147.91 × 292,262.96
  4. Step 4: Simplify right side
    483,581.72x = 194,982,618,137.36
  5. Step 5: Solve for x
    x = 194,982,618,137.36/483,581.72
  6. Step 6: Final answer
    x = 403,205.11

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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.