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Finding the Fourth Proportional to 471,361.45, 707,112.52 and 218,667.48

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Solution

The fourth proportional to 471,361.45, 707,112.52 and 218,667.48 is: 328,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,361.45 : 707,112.52 = 218,667.48 : x
  2. Step 2: Convert to fraction form
    471,361.45/707,112.52 = 218,667.48/x
  3. Step 3: Cross multiply
    471,361.45x = 707,112.52 × 218,667.48
  4. Step 4: Simplify right side
    471,361.45x = 154,622,514,834.02
  5. Step 5: Solve for x
    x = 154,622,514,834.02/471,361.45
  6. Step 6: Final answer
    x = 328,033.86

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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.