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Finding the Fourth Proportional to 452,024.20, 678,209.10 and 444,939.40

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Solution

The fourth proportional to 452,024.20, 678,209.10 and 444,939.40 is: 667,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,024.20 : 678,209.10 = 444,939.40 : x
  2. Step 2: Convert to fraction form
    452,024.20/678,209.10 = 444,939.40/x
  3. Step 3: Cross multiply
    452,024.20x = 678,209.10 × 444,939.40
  4. Step 4: Simplify right side
    452,024.20x = 301,761,950,028.54
  5. Step 5: Solve for x
    x = 301,761,950,028.54/452,024.20
  6. Step 6: Final answer
    x = 667,579.19

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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.