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Finding the Fourth Proportional to 299.97, 450.00 and 117.35

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Solution

The fourth proportional to 299.97, 450.00 and 117.35 is: 176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.97 : 450.00 = 117.35 : x
  2. Step 2: Convert to fraction form
    299.97/450.00 = 117.35/x
  3. Step 3: Cross multiply
    299.97x = 450.00 × 117.35
  4. Step 4: Simplify right side
    299.97x = 52,804.66
  5. Step 5: Solve for x
    x = 52,804.66/299.97
  6. Step 6: Final answer
    x = 176.04

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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.