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Finding the Fourth Proportional to 544,183.72, 816,283.78 and 207,243

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Solution

The fourth proportional to 544,183.72, 816,283.78 and 207,243 is: 310,867.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,183.72 : 816,283.78 = 207,243 : x
  2. Step 2: Convert to fraction form
    544,183.72/816,283.78 = 207,243/x
  3. Step 3: Cross multiply
    544,183.72x = 816,283.78 × 207,243
  4. Step 4: Simplify right side
    544,183.72x = 169,169,099,418.54
  5. Step 5: Solve for x
    x = 169,169,099,418.54/544,183.72
  6. Step 6: Final answer
    x = 310,867.62

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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.