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Finding the Fourth Proportional to 332,825.20, 499,698.60 and 262,783.60

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Solution

The fourth proportional to 332,825.20, 499,698.60 and 262,783.60 is: 394,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,825.20 : 499,698.60 = 262,783.60 : x
  2. Step 2: Convert to fraction form
    332,825.20/499,698.60 = 262,783.60/x
  3. Step 3: Cross multiply
    332,825.20x = 499,698.60 × 262,783.60
  4. Step 4: Simplify right side
    332,825.20x = 131,312,597,022.96
  5. Step 5: Solve for x
    x = 131,312,597,022.96/332,825.20
  6. Step 6: Final answer
    x = 394,539.23

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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.