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Finding the Fourth Proportional to 455.94, 683.98 and 167.44

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Solution

The fourth proportional to 455.94, 683.98 and 167.44 is: 251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    455.94 : 683.98 = 167.44 : x
  2. Step 2: Convert to fraction form
    455.94/683.98 = 167.44/x
  3. Step 3: Cross multiply
    455.94x = 683.98 × 167.44
  4. Step 4: Simplify right side
    455.94x = 114,525.61
  5. Step 5: Solve for x
    x = 114,525.61/455.94
  6. Step 6: Final answer
    x = 251.19

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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.