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Finding the Fourth Proportional to 544,900.86, 816,183.57 and 443,216.25

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Solution

The fourth proportional to 544,900.86, 816,183.57 and 443,216.25 is: 663,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,900.86 : 816,183.57 = 443,216.25 : x
  2. Step 2: Convert to fraction form
    544,900.86/816,183.57 = 443,216.25/x
  3. Step 3: Cross multiply
    544,900.86x = 816,183.57 × 443,216.25
  4. Step 4: Simplify right side
    544,900.86x = 361,745,825,929.76
  5. Step 5: Solve for x
    x = 361,745,825,929.76/544,900.86
  6. Step 6: Final answer
    x = 663,874.57

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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.