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Finding the Fourth Proportional to 339,315.08, 468,149.80 and 196,022.84

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Solution

The fourth proportional to 339,315.08, 468,149.80 and 196,022.84 is: 270,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,315.08 : 468,149.80 = 196,022.84 : x
  2. Step 2: Convert to fraction form
    339,315.08/468,149.80 = 196,022.84/x
  3. Step 3: Cross multiply
    339,315.08x = 468,149.80 × 196,022.84
  4. Step 4: Simplify right side
    339,315.08x = 91,768,053,341.43
  5. Step 5: Solve for x
    x = 91,768,053,341.43/339,315.08
  6. Step 6: Final answer
    x = 270,450.85

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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.