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Finding the Fourth Proportional to 262,771.75, 394,406.84 and 162,629.02

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Solution

The fourth proportional to 262,771.75, 394,406.84 and 162,629.02 is: 244,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,771.75 : 394,406.84 = 162,629.02 : x
  2. Step 2: Convert to fraction form
    262,771.75/394,406.84 = 162,629.02/x
  3. Step 3: Cross multiply
    262,771.75x = 394,406.84 × 162,629.02
  4. Step 4: Simplify right side
    262,771.75x = 64,141,997,870.50
  5. Step 5: Solve for x
    x = 64,141,997,870.50/262,771.75
  6. Step 6: Final answer
    x = 244,097.77

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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.