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Finding the Fourth Proportional to 303,324.60, 454,986.90 and 208,846.20

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Solution

The fourth proportional to 303,324.60, 454,986.90 and 208,846.20 is: 313,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,324.60 : 454,986.90 = 208,846.20 : x
  2. Step 2: Convert to fraction form
    303,324.60/454,986.90 = 208,846.20/x
  3. Step 3: Cross multiply
    303,324.60x = 454,986.90 × 208,846.20
  4. Step 4: Simplify right side
    303,324.60x = 95,022,285,114.78
  5. Step 5: Solve for x
    x = 95,022,285,114.78/303,324.60
  6. Step 6: Final answer
    x = 313,269.30

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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.