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Finding the Fourth Proportional to 263,375.56, 395,121.96 and 103,466.98

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Solution

The fourth proportional to 263,375.56, 395,121.96 and 103,466.98 is: 155,223.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,375.56 : 395,121.96 = 103,466.98 : x
  2. Step 2: Convert to fraction form
    263,375.56/395,121.96 = 103,466.98/x
  3. Step 3: Cross multiply
    263,375.56x = 395,121.96 × 103,466.98
  4. Step 4: Simplify right side
    263,375.56x = 40,882,075,932.88
  5. Step 5: Solve for x
    x = 40,882,075,932.88/263,375.56
  6. Step 6: Final answer
    x = 155,223.50

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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.