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Finding the Fourth Proportional to 329.13, 453.60 and 246.11

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Solution

The fourth proportional to 329.13, 453.60 and 246.11 is: 339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.13 : 453.60 = 246.11 : x
  2. Step 2: Convert to fraction form
    329.13/453.60 = 246.11/x
  3. Step 3: Cross multiply
    329.13x = 453.60 × 246.11
  4. Step 4: Simplify right side
    329.13x = 111,633.23
  5. Step 5: Solve for x
    x = 111,633.23/329.13
  6. Step 6: Final answer
    x = 339.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.