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Finding the Fourth Proportional to 260,030.80, 389,268.60 and 244,651.60

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Solution

The fourth proportional to 260,030.80, 389,268.60 and 244,651.60 is: 366,245.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,030.80 : 389,268.60 = 244,651.60 : x
  2. Step 2: Convert to fraction form
    260,030.80/389,268.60 = 244,651.60/x
  3. Step 3: Cross multiply
    260,030.80x = 389,268.60 × 244,651.60
  4. Step 4: Simplify right side
    260,030.80x = 95,235,185,819.76
  5. Step 5: Solve for x
    x = 95,235,185,819.76/260,030.80
  6. Step 6: Final answer
    x = 366,245.79

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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.