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Finding the Fourth Proportional to 350,995.75, 526,559.25 and 140,650.09

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Solution

The fourth proportional to 350,995.75, 526,559.25 and 140,650.09 is: 211,001.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,995.75 : 526,559.25 = 140,650.09 : x
  2. Step 2: Convert to fraction form
    350,995.75/526,559.25 = 140,650.09/x
  3. Step 3: Cross multiply
    350,995.75x = 526,559.25 × 140,650.09
  4. Step 4: Simplify right side
    350,995.75x = 74,060,605,902.83
  5. Step 5: Solve for x
    x = 74,060,605,902.83/350,995.75
  6. Step 6: Final answer
    x = 211,001.43

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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.