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Finding the Fourth Proportional to 366,692.19, 550,189.64 and 198,013.89

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Solution

The fourth proportional to 366,692.19, 550,189.64 and 198,013.89 is: 297,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,692.19 : 550,189.64 = 198,013.89 : x
  2. Step 2: Convert to fraction form
    366,692.19/550,189.64 = 198,013.89/x
  3. Step 3: Cross multiply
    366,692.19x = 550,189.64 × 198,013.89
  4. Step 4: Simplify right side
    366,692.19x = 108,945,190,854.10
  5. Step 5: Solve for x
    x = 108,945,190,854.10/366,692.19
  6. Step 6: Final answer
    x = 297,102.57

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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.