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Finding the Fourth Proportional to 263,183.60, 394,775.40 and 235,627.40

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Solution

The fourth proportional to 263,183.60, 394,775.40 and 235,627.40 is: 353,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,183.60 : 394,775.40 = 235,627.40 : x
  2. Step 2: Convert to fraction form
    263,183.60/394,775.40 = 235,627.40/x
  3. Step 3: Cross multiply
    263,183.60x = 394,775.40 × 235,627.40
  4. Step 4: Simplify right side
    263,183.60x = 93,019,901,085.96
  5. Step 5: Solve for x
    x = 93,019,901,085.96/263,183.60
  6. Step 6: Final answer
    x = 353,441.10

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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.