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Finding the Fourth Proportional to 339,130.92, 468,022.76 and 195,897

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Solution

The fourth proportional to 339,130.92, 468,022.76 and 195,897 is: 270,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,130.92 : 468,022.76 = 195,897 : x
  2. Step 2: Convert to fraction form
    339,130.92/468,022.76 = 195,897/x
  3. Step 3: Cross multiply
    339,130.92x = 468,022.76 × 195,897
  4. Step 4: Simplify right side
    339,130.92x = 91,684,254,615.72
  5. Step 5: Solve for x
    x = 91,684,254,615.72/339,130.92
  6. Step 6: Final answer
    x = 270,350.62

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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.