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Finding the Fourth Proportional to 451,645.43, 676,877.57 and 185,093.87

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Solution

The fourth proportional to 451,645.43, 676,877.57 and 185,093.87 is: 277,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,645.43 : 676,877.57 = 185,093.87 : x
  2. Step 2: Convert to fraction form
    451,645.43/676,877.57 = 185,093.87/x
  3. Step 3: Cross multiply
    451,645.43x = 676,877.57 × 185,093.87
  4. Step 4: Simplify right side
    451,645.43x = 125,285,888,022.03
  5. Step 5: Solve for x
    x = 125,285,888,022.03/451,645.43
  6. Step 6: Final answer
    x = 277,398.77

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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.