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Finding the Fourth Proportional to 350,993.75, 526,556.25 and 140,648.09

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Solution

The fourth proportional to 350,993.75, 526,556.25 and 140,648.09 is: 210,998.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,993.75 : 526,556.25 = 140,648.09 : x
  2. Step 2: Convert to fraction form
    350,993.75/526,556.25 = 140,648.09/x
  3. Step 3: Cross multiply
    350,993.75x = 526,556.25 × 140,648.09
  4. Step 4: Simplify right side
    350,993.75x = 74,059,130,840.06
  5. Step 5: Solve for x
    x = 74,059,130,840.06/350,993.75
  6. Step 6: Final answer
    x = 210,998.43

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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.