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Finding the Fourth Proportional to 1,016.67, 1,525.08 and 367.41

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Solution

The fourth proportional to 1,016.67, 1,525.08 and 367.41 is: 551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.67 : 1,525.08 = 367.41 : x
  2. Step 2: Convert to fraction form
    1,016.67/1,525.08 = 367.41/x
  3. Step 3: Cross multiply
    1,016.67x = 1,525.08 × 367.41
  4. Step 4: Simplify right side
    1,016.67x = 560,329.64
  5. Step 5: Solve for x
    x = 560,329.64/1,016.67
  6. Step 6: Final answer
    x = 551.14

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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.