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Finding the Fourth Proportional to 692.34, 955.74 and 444

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Solution

The fourth proportional to 692.34, 955.74 and 444 is: 612.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.34 : 955.74 = 444 : x
  2. Step 2: Convert to fraction form
    692.34/955.74 = 444/x
  3. Step 3: Cross multiply
    692.34x = 955.74 × 444
  4. Step 4: Simplify right side
    692.34x = 424,348.56
  5. Step 5: Solve for x
    x = 424,348.56/692.34
  6. Step 6: Final answer
    x = 612.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.