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Finding the Fourth Proportional to 444,147.60, 666,739.80 and 254,758.80

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Solution

The fourth proportional to 444,147.60, 666,739.80 and 254,758.80 is: 382,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,147.60 : 666,739.80 = 254,758.80 : x
  2. Step 2: Convert to fraction form
    444,147.60/666,739.80 = 254,758.80/x
  3. Step 3: Cross multiply
    444,147.60x = 666,739.80 × 254,758.80
  4. Step 4: Simplify right side
    444,147.60x = 169,857,831,360.24
  5. Step 5: Solve for x
    x = 169,857,831,360.24/444,147.60
  6. Step 6: Final answer
    x = 382,435.55

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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.