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Finding the Fourth Proportional to 339,412.14, 468,396.27 and 196,178.22

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Solution

The fourth proportional to 339,412.14, 468,396.27 and 196,178.22 is: 270,730.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,412.14 : 468,396.27 = 196,178.22 : x
  2. Step 2: Convert to fraction form
    339,412.14/468,396.27 = 196,178.22/x
  3. Step 3: Cross multiply
    339,412.14x = 468,396.27 × 196,178.22
  4. Step 4: Simplify right side
    339,412.14x = 91,889,146,503.24
  5. Step 5: Solve for x
    x = 91,889,146,503.24/339,412.14
  6. Step 6: Final answer
    x = 270,730.29

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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.