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Finding the Fourth Proportional to 334.32, 460.68 and 246.72

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Solution

The fourth proportional to 334.32, 460.68 and 246.72 is: 339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.32 : 460.68 = 246.72 : x
  2. Step 2: Convert to fraction form
    334.32/460.68 = 246.72/x
  3. Step 3: Cross multiply
    334.32x = 460.68 × 246.72
  4. Step 4: Simplify right side
    334.32x = 113,658.97
  5. Step 5: Solve for x
    x = 113,658.97/334.32
  6. Step 6: Final answer
    x = 339.97

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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.