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Finding the Fourth Proportional to 547,004.99, 820,089.18 and 451,936.10

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Solution

The fourth proportional to 547,004.99, 820,089.18 and 451,936.10 is: 677,558.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,004.99 : 820,089.18 = 451,936.10 : x
  2. Step 2: Convert to fraction form
    547,004.99/820,089.18 = 451,936.10/x
  3. Step 3: Cross multiply
    547,004.99x = 820,089.18 × 451,936.10
  4. Step 4: Simplify right side
    547,004.99x = 370,627,901,560.95
  5. Step 5: Solve for x
    x = 370,627,901,560.95/547,004.99
  6. Step 6: Final answer
    x = 677,558.54

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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.