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Finding the Fourth Proportional to 271,933.40, 407,900.10 and 231,692.60

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Solution

The fourth proportional to 271,933.40, 407,900.10 and 231,692.60 is: 347,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,933.40 : 407,900.10 = 231,692.60 : x
  2. Step 2: Convert to fraction form
    271,933.40/407,900.10 = 231,692.60/x
  3. Step 3: Cross multiply
    271,933.40x = 407,900.10 × 231,692.60
  4. Step 4: Simplify right side
    271,933.40x = 94,507,434,709.26
  5. Step 5: Solve for x
    x = 94,507,434,709.26/271,933.40
  6. Step 6: Final answer
    x = 347,538.90

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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.