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Finding the Fourth Proportional to 708.59, 1,062.68 and 246.24

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Solution

The fourth proportional to 708.59, 1,062.68 and 246.24 is: 369.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    708.59 : 1,062.68 = 246.24 : x
  2. Step 2: Convert to fraction form
    708.59/1,062.68 = 246.24/x
  3. Step 3: Cross multiply
    708.59x = 1,062.68 × 246.24
  4. Step 4: Simplify right side
    708.59x = 261,673.09
  5. Step 5: Solve for x
    x = 261,673.09/708.59
  6. Step 6: Final answer
    x = 369.29

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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.