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Finding the Fourth Proportional to 339,392.39, 468,256.14 and 196,100.15

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Solution

The fourth proportional to 339,392.39, 468,256.14 and 196,100.15 is: 270,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,392.39 : 468,256.14 = 196,100.15 : x
  2. Step 2: Convert to fraction form
    339,392.39/468,256.14 = 196,100.15/x
  3. Step 3: Cross multiply
    339,392.39x = 468,256.14 × 196,100.15
  4. Step 4: Simplify right side
    339,392.39x = 91,825,096,951.14
  5. Step 5: Solve for x
    x = 91,825,096,951.14/339,392.39
  6. Step 6: Final answer
    x = 270,557.33

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1.5x scale

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.