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Finding the Fourth Proportional to 692.83, 955.83 and 444.11

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Solution

The fourth proportional to 692.83, 955.83 and 444.11 is: 612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.83 : 955.83 = 444.11 : x
  2. Step 2: Convert to fraction form
    692.83/955.83 = 444.11/x
  3. Step 3: Cross multiply
    692.83x = 955.83 × 444.11
  4. Step 4: Simplify right side
    692.83x = 424,490.55
  5. Step 5: Solve for x
    x = 424,490.55/692.83
  6. Step 6: Final answer
    x = 612.69

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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.