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Finding the Fourth Proportional to 483.53, 725.37 and 158.82

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Solution

The fourth proportional to 483.53, 725.37 and 158.82 is: 238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.53 : 725.37 = 158.82 : x
  2. Step 2: Convert to fraction form
    483.53/725.37 = 158.82/x
  3. Step 3: Cross multiply
    483.53x = 725.37 × 158.82
  4. Step 4: Simplify right side
    483.53x = 115,204.31
  5. Step 5: Solve for x
    x = 115,204.31/483.53
  6. Step 6: Final answer
    x = 238.26

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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.