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Finding the Fourth Proportional to 263,653.85, 395,480.15 and 63,974.07

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Solution

The fourth proportional to 263,653.85, 395,480.15 and 63,974.07 is: 95,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,653.85 : 395,480.15 = 63,974.07 : x
  2. Step 2: Convert to fraction form
    263,653.85/395,480.15 = 63,974.07/x
  3. Step 3: Cross multiply
    263,653.85x = 395,480.15 × 63,974.07
  4. Step 4: Simplify right side
    263,653.85x = 25,300,474,479.84
  5. Step 5: Solve for x
    x = 25,300,474,479.84/263,653.85
  6. Step 6: Final answer
    x = 95,960.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.