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Finding the Fourth Proportional to 1,738,692.80, 2,608,816.80 and 617,566.40

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Solution

The fourth proportional to 1,738,692.80, 2,608,816.80 and 617,566.40 is: 926,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,692.80 : 2,608,816.80 = 617,566.40 : x
  2. Step 2: Convert to fraction form
    1,738,692.80/2,608,816.80 = 617,566.40/x
  3. Step 3: Cross multiply
    1,738,692.80x = 2,608,816.80 × 617,566.40
  4. Step 4: Simplify right side
    1,738,692.80x = 1,611,117,599,435.52
  5. Step 5: Solve for x
    x = 1,611,117,599,435.52/1,738,692.80
  6. Step 6: Final answer
    x = 926,625.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.