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Finding the Fourth Proportional to 952.74, 1,429.38 and 336.54

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Solution

The fourth proportional to 952.74, 1,429.38 and 336.54 is: 504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.74 : 1,429.38 = 336.54 : x
  2. Step 2: Convert to fraction form
    952.74/1,429.38 = 336.54/x
  3. Step 3: Cross multiply
    952.74x = 1,429.38 × 336.54
  4. Step 4: Simplify right side
    952.74x = 481,043.55
  5. Step 5: Solve for x
    x = 481,043.55/952.74
  6. Step 6: Final answer
    x = 504.91

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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.