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Finding the Fourth Proportional to 911.24, 1,367.06 and 334.10

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Solution

The fourth proportional to 911.24, 1,367.06 and 334.10 is: 501.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    911.24 : 1,367.06 = 334.10 : x
  2. Step 2: Convert to fraction form
    911.24/1,367.06 = 334.10/x
  3. Step 3: Cross multiply
    911.24x = 1,367.06 × 334.10
  4. Step 4: Simplify right side
    911.24x = 456,734.75
  5. Step 5: Solve for x
    x = 456,734.75/911.24
  6. Step 6: Final answer
    x = 501.22

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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.