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Finding the Fourth Proportional to 635,566.40, 953,090.40 and 214,625.60

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Solution

The fourth proportional to 635,566.40, 953,090.40 and 214,625.60 is: 321,850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,566.40 : 953,090.40 = 214,625.60 : x
  2. Step 2: Convert to fraction form
    635,566.40/953,090.40 = 214,625.60/x
  3. Step 3: Cross multiply
    635,566.40x = 953,090.40 × 214,625.60
  4. Step 4: Simplify right side
    635,566.40x = 204,557,598,954.24
  5. Step 5: Solve for x
    x = 204,557,598,954.24/635,566.40
  6. Step 6: Final answer
    x = 321,850.87

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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.