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Finding the Fourth Proportional to 451,768.88, 677,800.92 and 325,305.56

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Solution

The fourth proportional to 451,768.88, 677,800.92 and 325,305.56 is: 488,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,768.88 : 677,800.92 = 325,305.56 : x
  2. Step 2: Convert to fraction form
    451,768.88/677,800.92 = 325,305.56/x
  3. Step 3: Cross multiply
    451,768.88x = 677,800.92 × 325,305.56
  4. Step 4: Simplify right side
    451,768.88x = 220,492,407,849.12
  5. Step 5: Solve for x
    x = 220,492,407,849.12/451,768.88
  6. Step 6: Final answer
    x = 488,064.62

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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.