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Finding the Fourth Proportional to 339,304.76, 468,298.17 and 196,147.79

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Solution

The fourth proportional to 339,304.76, 468,298.17 and 196,147.79 is: 270,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,304.76 : 468,298.17 = 196,147.79 : x
  2. Step 2: Convert to fraction form
    339,304.76/468,298.17 = 196,147.79/x
  3. Step 3: Cross multiply
    339,304.76x = 468,298.17 × 196,147.79
  4. Step 4: Simplify right side
    339,304.76x = 91,855,648,765.05
  5. Step 5: Solve for x
    x = 91,855,648,765.05/339,304.76
  6. Step 6: Final answer
    x = 270,717.25

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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.