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Finding the Fourth Proportional to 228,873.20, 342,532.20 and 200,879.60

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Solution

The fourth proportional to 228,873.20, 342,532.20 and 200,879.60 is: 300,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,873.20 : 342,532.20 = 200,879.60 : x
  2. Step 2: Convert to fraction form
    228,873.20/342,532.20 = 200,879.60/x
  3. Step 3: Cross multiply
    228,873.20x = 342,532.20 × 200,879.60
  4. Step 4: Simplify right side
    228,873.20x = 68,807,731,323.12
  5. Step 5: Solve for x
    x = 68,807,731,323.12/228,873.20
  6. Step 6: Final answer
    x = 300,636.91

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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.