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Finding the Fourth Proportional to 462.68, 694.56 and 246.68

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Solution

The fourth proportional to 462.68, 694.56 and 246.68 is: 370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.68 : 694.56 = 246.68 : x
  2. Step 2: Convert to fraction form
    462.68/694.56 = 246.68/x
  3. Step 3: Cross multiply
    462.68x = 694.56 × 246.68
  4. Step 4: Simplify right side
    462.68x = 171,334.06
  5. Step 5: Solve for x
    x = 171,334.06/462.68
  6. Step 6: Final answer
    x = 370.31

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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.