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Finding the Fourth Proportional to 444,974.40, 667,166.40 and 245,390.40

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Solution

The fourth proportional to 444,974.40, 667,166.40 and 245,390.40 is: 367,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,974.40 : 667,166.40 = 245,390.40 : x
  2. Step 2: Convert to fraction form
    444,974.40/667,166.40 = 245,390.40/x
  3. Step 3: Cross multiply
    444,974.40x = 667,166.40 × 245,390.40
  4. Step 4: Simplify right side
    444,974.40x = 163,716,229,762.56
  5. Step 5: Solve for x
    x = 163,716,229,762.56/444,974.40
  6. Step 6: Final answer
    x = 367,922.81

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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.