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Finding the Fourth Proportional to 444,080.40, 666,120.60 and 302,362.80

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Solution

The fourth proportional to 444,080.40, 666,120.60 and 302,362.80 is: 453,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,080.40 : 666,120.60 = 302,362.80 : x
  2. Step 2: Convert to fraction form
    444,080.40/666,120.60 = 302,362.80/x
  3. Step 3: Cross multiply
    444,080.40x = 666,120.60 × 302,362.80
  4. Step 4: Simplify right side
    444,080.40x = 201,410,089,753.68
  5. Step 5: Solve for x
    x = 201,410,089,753.68/444,080.40
  6. Step 6: Final answer
    x = 453,544.20

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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.