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Finding the Fourth Proportional to 339,132.90, 468,025.53 and 195,898.98

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Solution

The fourth proportional to 339,132.90, 468,025.53 and 195,898.98 is: 270,353.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,132.90 : 468,025.53 = 195,898.98 : x
  2. Step 2: Convert to fraction form
    339,132.90/468,025.53 = 195,898.98/x
  3. Step 3: Cross multiply
    339,132.90x = 468,025.53 × 195,898.98
  4. Step 4: Simplify right side
    339,132.90x = 91,685,723,940.96
  5. Step 5: Solve for x
    x = 91,685,723,940.96/339,132.90
  6. Step 6: Final answer
    x = 270,353.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.