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Finding the Fourth Proportional to 483.44, 725.41 and 239.93

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Solution

The fourth proportional to 483.44, 725.41 and 239.93 is: 360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.44 : 725.41 = 239.93 : x
  2. Step 2: Convert to fraction form
    483.44/725.41 = 239.93/x
  3. Step 3: Cross multiply
    483.44x = 725.41 × 239.93
  4. Step 4: Simplify right side
    483.44x = 174,045.66
  5. Step 5: Solve for x
    x = 174,045.66/483.44
  6. Step 6: Final answer
    x = 360.02

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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.