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Finding the Fourth Proportional to 447,190, 670,622.64 and 244,936.36

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Solution

The fourth proportional to 447,190, 670,622.64 and 244,936.36 is: 367,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,190 : 670,622.64 = 244,936.36 : x
  2. Step 2: Convert to fraction form
    447,190/670,622.64 = 244,936.36/x
  3. Step 3: Cross multiply
    447,190x = 670,622.64 × 244,936.36
  4. Step 4: Simplify right side
    447,190x = 164,259,868,375.19
  5. Step 5: Solve for x
    x = 164,259,868,375.19/447,190
  6. Step 6: Final answer
    x = 367,315.61

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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.