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Finding the Fourth Proportional to 444,617.40, 667,021.62 and 255,165.24

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Solution

The fourth proportional to 444,617.40, 667,021.62 and 255,165.24 is: 382,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,617.40 : 667,021.62 = 255,165.24 : x
  2. Step 2: Convert to fraction form
    444,617.40/667,021.62 = 255,165.24/x
  3. Step 3: Cross multiply
    444,617.40x = 667,021.62 × 255,165.24
  4. Step 4: Simplify right side
    444,617.40x = 170,200,731,752.49
  5. Step 5: Solve for x
    x = 170,200,731,752.49/444,617.40
  6. Step 6: Final answer
    x = 382,802.68

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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.