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Finding the Fourth Proportional to 326,868.78, 451,068.48 and 181,673.85

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Solution

The fourth proportional to 326,868.78, 451,068.48 and 181,673.85 is: 250,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,868.78 : 451,068.48 = 181,673.85 : x
  2. Step 2: Convert to fraction form
    326,868.78/451,068.48 = 181,673.85/x
  3. Step 3: Cross multiply
    326,868.78x = 451,068.48 × 181,673.85
  4. Step 4: Simplify right side
    326,868.78x = 81,947,347,375.25
  5. Step 5: Solve for x
    x = 81,947,347,375.25/326,868.78
  6. Step 6: Final answer
    x = 250,704.11

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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.