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Finding the Fourth Proportional to 450, 674.94 and 176.22

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Solution

The fourth proportional to 450, 674.94 and 176.22 is: 264.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    450 : 674.94 = 176.22 : x
  2. Step 2: Convert to fraction form
    450/674.94 = 176.22/x
  3. Step 3: Cross multiply
    450x = 674.94 × 176.22
  4. Step 4: Simplify right side
    450x = 118,937.93
  5. Step 5: Solve for x
    x = 118,937.93/450
  6. Step 6: Final answer
    x = 264.31

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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.