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Finding the Fourth Proportional to 404,297.52, 606,847.65 and 214,759.62

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Solution

The fourth proportional to 404,297.52, 606,847.65 and 214,759.62 is: 322,352.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,297.52 : 606,847.65 = 214,759.62 : x
  2. Step 2: Convert to fraction form
    404,297.52/606,847.65 = 214,759.62/x
  3. Step 3: Cross multiply
    404,297.52x = 606,847.65 × 214,759.62
  4. Step 4: Simplify right side
    404,297.52x = 130,326,370,711.89
  5. Step 5: Solve for x
    x = 130,326,370,711.89/404,297.52
  6. Step 6: Final answer
    x = 322,352.63

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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.