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Finding the Fourth Proportional to 395,850.15, 593,771.76 and 143,034.98

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Solution

The fourth proportional to 395,850.15, 593,771.76 and 143,034.98 is: 214,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,850.15 : 593,771.76 = 143,034.98 : x
  2. Step 2: Convert to fraction form
    395,850.15/593,771.76 = 143,034.98/x
  3. Step 3: Cross multiply
    395,850.15x = 593,771.76 × 143,034.98
  4. Step 4: Simplify right side
    395,850.15x = 84,930,128,847.31
  5. Step 5: Solve for x
    x = 84,930,128,847.31/395,850.15
  6. Step 6: Final answer
    x = 214,551.21

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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.