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Finding the Fourth Proportional to 382,692.88, 574,126.68 and 116,491.12

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Solution

The fourth proportional to 382,692.88, 574,126.68 and 116,491.12 is: 174,763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,692.88 : 574,126.68 = 116,491.12 : x
  2. Step 2: Convert to fraction form
    382,692.88/574,126.68 = 116,491.12/x
  3. Step 3: Cross multiply
    382,692.88x = 574,126.68 × 116,491.12
  4. Step 4: Simplify right side
    382,692.88x = 66,880,659,975.08
  5. Step 5: Solve for x
    x = 66,880,659,975.08/382,692.88
  6. Step 6: Final answer
    x = 174,763.27

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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.