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Finding the Fourth Proportional to 348.44, 483.33 and 329.99

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Solution

The fourth proportional to 348.44, 483.33 and 329.99 is: 457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.44 : 483.33 = 329.99 : x
  2. Step 2: Convert to fraction form
    348.44/483.33 = 329.99/x
  3. Step 3: Cross multiply
    348.44x = 483.33 × 329.99
  4. Step 4: Simplify right side
    348.44x = 159,491.65
  5. Step 5: Solve for x
    x = 159,491.65/348.44
  6. Step 6: Final answer
    x = 457.74

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.