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Finding the Fourth Proportional to 339,536.76, 468,533.30 and 196,306.03

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Solution

The fourth proportional to 339,536.76, 468,533.30 and 196,306.03 is: 270,886.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,536.76 : 468,533.30 = 196,306.03 : x
  2. Step 2: Convert to fraction form
    339,536.76/468,533.30 = 196,306.03/x
  3. Step 3: Cross multiply
    339,536.76x = 468,533.30 × 196,306.03
  4. Step 4: Simplify right side
    339,536.76x = 91,975,912,045.80
  5. Step 5: Solve for x
    x = 91,975,912,045.80/339,536.76
  6. Step 6: Final answer
    x = 270,886.46

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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.