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Finding the Fourth Proportional to 692.02, 1,037.73 and 229.67

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Solution

The fourth proportional to 692.02, 1,037.73 and 229.67 is: 344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.02 : 1,037.73 = 229.67 : x
  2. Step 2: Convert to fraction form
    692.02/1,037.73 = 229.67/x
  3. Step 3: Cross multiply
    692.02x = 1,037.73 × 229.67
  4. Step 4: Simplify right side
    692.02x = 238,335.45
  5. Step 5: Solve for x
    x = 238,335.45/692.02
  6. Step 6: Final answer
    x = 344.41

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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.