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Finding the Fourth Proportional to 331,668, 497,579.76 and 110,052

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Solution

The fourth proportional to 331,668, 497,579.76 and 110,052 is: 165,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,668 : 497,579.76 = 110,052 : x
  2. Step 2: Convert to fraction form
    331,668/497,579.76 = 110,052/x
  3. Step 3: Cross multiply
    331,668x = 497,579.76 × 110,052
  4. Step 4: Simplify right side
    331,668x = 54,759,647,747.52
  5. Step 5: Solve for x
    x = 54,759,647,747.52/331,668
  6. Step 6: Final answer
    x = 165,103.80

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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.