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Finding the Fourth Proportional to 263,571.85, 395,396.40 and 83,597.23

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Solution

The fourth proportional to 263,571.85, 395,396.40 and 83,597.23 is: 125,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,571.85 : 395,396.40 = 83,597.23 : x
  2. Step 2: Convert to fraction form
    263,571.85/395,396.40 = 83,597.23/x
  3. Step 3: Cross multiply
    263,571.85x = 395,396.40 × 83,597.23
  4. Step 4: Simplify right side
    263,571.85x = 33,054,043,791.97
  5. Step 5: Solve for x
    x = 33,054,043,791.97/263,571.85
  6. Step 6: Final answer
    x = 125,408.10

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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.