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Finding the Fourth Proportional to 324,183.76, 485,866.59 and 164,299.89

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Solution

The fourth proportional to 324,183.76, 485,866.59 and 164,299.89 is: 246,242.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,183.76 : 485,866.59 = 164,299.89 : x
  2. Step 2: Convert to fraction form
    324,183.76/485,866.59 = 164,299.89/x
  3. Step 3: Cross multiply
    324,183.76x = 485,866.59 × 164,299.89
  4. Step 4: Simplify right side
    324,183.76x = 79,827,827,291.68
  5. Step 5: Solve for x
    x = 79,827,827,291.68/324,183.76
  6. Step 6: Final answer
    x = 246,242.52

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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.