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Finding the Fourth Proportional to 461.74, 692.07 and 245.26

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Solution

The fourth proportional to 461.74, 692.07 and 245.26 is: 367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.74 : 692.07 = 245.26 : x
  2. Step 2: Convert to fraction form
    461.74/692.07 = 245.26/x
  3. Step 3: Cross multiply
    461.74x = 692.07 × 245.26
  4. Step 4: Simplify right side
    461.74x = 169,737.09
  5. Step 5: Solve for x
    x = 169,737.09/461.74
  6. Step 6: Final answer
    x = 367.60

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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.