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Finding the Fourth Proportional to 1,008,450, 1,512,675 and 377,660.88

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Solution

The fourth proportional to 1,008,450, 1,512,675 and 377,660.88 is: 566,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,450 : 1,512,675 = 377,660.88 : x
  2. Step 2: Convert to fraction form
    1,008,450/1,512,675 = 377,660.88/x
  3. Step 3: Cross multiply
    1,008,450x = 1,512,675 × 377,660.88
  4. Step 4: Simplify right side
    1,008,450x = 571,278,171,654
  5. Step 5: Solve for x
    x = 571,278,171,654/1,008,450
  6. Step 6: Final answer
    x = 566,491.32

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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.