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Finding the Fourth Proportional to 262,804.82, 394,256.36 and 122,563.44

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Solution

The fourth proportional to 262,804.82, 394,256.36 and 122,563.44 is: 183,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,804.82 : 394,256.36 = 122,563.44 : x
  2. Step 2: Convert to fraction form
    262,804.82/394,256.36 = 122,563.44/x
  3. Step 3: Cross multiply
    262,804.82x = 394,256.36 × 122,563.44
  4. Step 4: Simplify right side
    262,804.82x = 48,321,416,029.89
  5. Step 5: Solve for x
    x = 48,321,416,029.89/262,804.82
  6. Step 6: Final answer
    x = 183,868.08

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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.