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Finding the Fourth Proportional to 350,754.10, 526,131.15 and 200,890.53

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Solution

The fourth proportional to 350,754.10, 526,131.15 and 200,890.53 is: 301,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,754.10 : 526,131.15 = 200,890.53 : x
  2. Step 2: Convert to fraction form
    350,754.10/526,131.15 = 200,890.53/x
  3. Step 3: Cross multiply
    350,754.10x = 526,131.15 × 200,890.53
  4. Step 4: Simplify right side
    350,754.10x = 105,694,764,819.67
  5. Step 5: Solve for x
    x = 105,694,764,819.67/350,754.10
  6. Step 6: Final answer
    x = 301,335.80

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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.