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Finding the Fourth Proportional to 547,737.84, 755,851.23 and 305,972.28

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Solution

The fourth proportional to 547,737.84, 755,851.23 and 305,972.28 is: 422,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,737.84 : 755,851.23 = 305,972.28 : x
  2. Step 2: Convert to fraction form
    547,737.84/755,851.23 = 305,972.28/x
  3. Step 3: Cross multiply
    547,737.84x = 755,851.23 × 305,972.28
  4. Step 4: Simplify right side
    547,737.84x = 231,269,524,183.90
  5. Step 5: Solve for x
    x = 231,269,524,183.90/547,737.84
  6. Step 6: Final answer
    x = 422,226.67

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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.