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Finding the Fourth Proportional to 483.54, 725.01 and 158.82

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Solution

The fourth proportional to 483.54, 725.01 and 158.82 is: 238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.54 : 725.01 = 158.82 : x
  2. Step 2: Convert to fraction form
    483.54/725.01 = 158.82/x
  3. Step 3: Cross multiply
    483.54x = 725.01 × 158.82
  4. Step 4: Simplify right side
    483.54x = 115,146.09
  5. Step 5: Solve for x
    x = 115,146.09/483.54
  6. Step 6: Final answer
    x = 238.13

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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.