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Finding the Fourth Proportional to 254,692.80, 382,039.20 and 227,136.60

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Solution

The fourth proportional to 254,692.80, 382,039.20 and 227,136.60 is: 340,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,692.80 : 382,039.20 = 227,136.60 : x
  2. Step 2: Convert to fraction form
    254,692.80/382,039.20 = 227,136.60/x
  3. Step 3: Cross multiply
    254,692.80x = 382,039.20 × 227,136.60
  4. Step 4: Simplify right side
    254,692.80x = 86,775,084,954.72
  5. Step 5: Solve for x
    x = 86,775,084,954.72/254,692.80
  6. Step 6: Final answer
    x = 340,704.90

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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.