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Finding the Fourth Proportional to 262,141.44, 393,474.88 and 259,575.36

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Solution

The fourth proportional to 262,141.44, 393,474.88 and 259,575.36 is: 389,623.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,141.44 : 393,474.88 = 259,575.36 : x
  2. Step 2: Convert to fraction form
    262,141.44/393,474.88 = 259,575.36/x
  3. Step 3: Cross multiply
    262,141.44x = 393,474.88 × 259,575.36
  4. Step 4: Simplify right side
    262,141.44x = 102,136,383,626.96
  5. Step 5: Solve for x
    x = 102,136,383,626.96/262,141.44
  6. Step 6: Final answer
    x = 389,623.19

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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.