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Finding the Fourth Proportional to 263,048.80, 395,350.80 and 228,834.40

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Solution

The fourth proportional to 263,048.80, 395,350.80 and 228,834.40 is: 343,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,048.80 : 395,350.80 = 228,834.40 : x
  2. Step 2: Convert to fraction form
    263,048.80/395,350.80 = 228,834.40/x
  3. Step 3: Cross multiply
    263,048.80x = 395,350.80 × 228,834.40
  4. Step 4: Simplify right side
    263,048.80x = 90,469,863,107.52
  5. Step 5: Solve for x
    x = 90,469,863,107.52/263,048.80
  6. Step 6: Final answer
    x = 343,928.06

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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.