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Finding the Fourth Proportional to 635,843.90, 953,172.93 and 214,825.34

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Solution

The fourth proportional to 635,843.90, 953,172.93 and 214,825.34 is: 322,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,843.90 : 953,172.93 = 214,825.34 : x
  2. Step 2: Convert to fraction form
    635,843.90/953,172.93 = 214,825.34/x
  3. Step 3: Cross multiply
    635,843.90x = 953,172.93 × 214,825.34
  4. Step 4: Simplify right side
    635,843.90x = 204,765,698,766.05
  5. Step 5: Solve for x
    x = 204,765,698,766.05/635,843.90
  6. Step 6: Final answer
    x = 322,037.69

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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.