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Finding the Fourth Proportional to 483.89, 725.93 and 159.24

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Solution

The fourth proportional to 483.89, 725.93 and 159.24 is: 238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.89 : 725.93 = 159.24 : x
  2. Step 2: Convert to fraction form
    483.89/725.93 = 159.24/x
  3. Step 3: Cross multiply
    483.89x = 725.93 × 159.24
  4. Step 4: Simplify right side
    483.89x = 115,597.49
  5. Step 5: Solve for x
    x = 115,597.49/483.89
  6. Step 6: Final answer
    x = 238.89

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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.