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Finding the Fourth Proportional to 618,469.44, 926,639.07 and 483,481

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Solution

The fourth proportional to 618,469.44, 926,639.07 and 483,481 is: 724,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,469.44 : 926,639.07 = 483,481 : x
  2. Step 2: Convert to fraction form
    618,469.44/926,639.07 = 483,481/x
  3. Step 3: Cross multiply
    618,469.44x = 926,639.07 × 483,481
  4. Step 4: Simplify right side
    618,469.44x = 448,012,384,202.67
  5. Step 5: Solve for x
    x = 448,012,384,202.67/618,469.44
  6. Step 6: Final answer
    x = 724,388.88

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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.