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Finding the Fourth Proportional to 444,226.82, 665,642.81 and 302,139.86

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Solution

The fourth proportional to 444,226.82, 665,642.81 and 302,139.86 is: 452,735.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,226.82 : 665,642.81 = 302,139.86 : x
  2. Step 2: Convert to fraction form
    444,226.82/665,642.81 = 302,139.86/x
  3. Step 3: Cross multiply
    444,226.82x = 665,642.81 × 302,139.86
  4. Step 4: Simplify right side
    444,226.82x = 201,117,222,850.54
  5. Step 5: Solve for x
    x = 201,117,222,850.54/444,226.82
  6. Step 6: Final answer
    x = 452,735.44

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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.