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Finding the Fourth Proportional to 1,016.01, 1,524.20 and 367.65

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Solution

The fourth proportional to 1,016.01, 1,524.20 and 367.65 is: 551.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.01 : 1,524.20 = 367.65 : x
  2. Step 2: Convert to fraction form
    1,016.01/1,524.20 = 367.65/x
  3. Step 3: Cross multiply
    1,016.01x = 1,524.20 × 367.65
  4. Step 4: Simplify right side
    1,016.01x = 560,370.29
  5. Step 5: Solve for x
    x = 560,370.29/1,016.01
  6. Step 6: Final answer
    x = 551.54

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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.