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Finding the Fourth Proportional to 326,884.78, 451,076.74 and 183,668.68

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Solution

The fourth proportional to 326,884.78, 451,076.74 and 183,668.68 is: 253,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,884.78 : 451,076.74 = 183,668.68 : x
  2. Step 2: Convert to fraction form
    326,884.78/451,076.74 = 183,668.68/x
  3. Step 3: Cross multiply
    326,884.78x = 451,076.74 × 183,668.68
  4. Step 4: Simplify right side
    326,884.78x = 82,848,669,414.50
  5. Step 5: Solve for x
    x = 82,848,669,414.50/326,884.78
  6. Step 6: Final answer
    x = 253,449.15

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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.