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Finding the Fourth Proportional to 494,582.56, 682,560.57 and 276,813.01

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Solution

The fourth proportional to 494,582.56, 682,560.57 and 276,813.01 is: 382,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,582.56 : 682,560.57 = 276,813.01 : x
  2. Step 2: Convert to fraction form
    494,582.56/682,560.57 = 276,813.01/x
  3. Step 3: Cross multiply
    494,582.56x = 682,560.57 × 276,813.01
  4. Step 4: Simplify right side
    494,582.56x = 188,941,645,889.02
  5. Step 5: Solve for x
    x = 188,941,645,889.02/494,582.56
  6. Step 6: Final answer
    x = 382,022.46

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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.