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Finding the Fourth Proportional to 451,683.39, 677,310.62 and 262,201.89

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Solution

The fourth proportional to 451,683.39, 677,310.62 and 262,201.89 is: 393,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,683.39 : 677,310.62 = 262,201.89 : x
  2. Step 2: Convert to fraction form
    451,683.39/677,310.62 = 262,201.89/x
  3. Step 3: Cross multiply
    451,683.39x = 677,310.62 × 262,201.89
  4. Step 4: Simplify right side
    451,683.39x = 177,592,123,370.06
  5. Step 5: Solve for x
    x = 177,592,123,370.06/451,683.39
  6. Step 6: Final answer
    x = 393,178.34

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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.