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Finding the Fourth Proportional to 455.99, 682.92 and 333.95

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Solution

The fourth proportional to 455.99, 682.92 and 333.95 is: 500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    455.99 : 682.92 = 333.95 : x
  2. Step 2: Convert to fraction form
    455.99/682.92 = 333.95/x
  3. Step 3: Cross multiply
    455.99x = 682.92 × 333.95
  4. Step 4: Simplify right side
    455.99x = 228,057.72
  5. Step 5: Solve for x
    x = 228,057.72/455.99
  6. Step 6: Final answer
    x = 500.14

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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.