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Finding the Fourth Proportional to 401,080.37, 601,621.36 and 164,380.55

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Solution

The fourth proportional to 401,080.37, 601,621.36 and 164,380.55 is: 246,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,080.37 : 601,621.36 = 164,380.55 : x
  2. Step 2: Convert to fraction form
    401,080.37/601,621.36 = 164,380.55/x
  3. Step 3: Cross multiply
    401,080.37x = 601,621.36 × 164,380.55
  4. Step 4: Simplify right side
    401,080.37x = 98,894,846,629.49
  5. Step 5: Solve for x
    x = 98,894,846,629.49/401,080.37
  6. Step 6: Final answer
    x = 246,571.15

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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.