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Finding the Fourth Proportional to 344.42, 474.92 and 246.14

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Solution

The fourth proportional to 344.42, 474.92 and 246.14 is: 339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.42 : 474.92 = 246.14 : x
  2. Step 2: Convert to fraction form
    344.42/474.92 = 246.14/x
  3. Step 3: Cross multiply
    344.42x = 474.92 × 246.14
  4. Step 4: Simplify right side
    344.42x = 116,896.81
  5. Step 5: Solve for x
    x = 116,896.81/344.42
  6. Step 6: Final answer
    x = 339.40

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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.