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Finding the Fourth Proportional to 675.81, 1,014.11 and 367.84

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Solution

The fourth proportional to 675.81, 1,014.11 and 367.84 is: 551.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.81 : 1,014.11 = 367.84 : x
  2. Step 2: Convert to fraction form
    675.81/1,014.11 = 367.84/x
  3. Step 3: Cross multiply
    675.81x = 1,014.11 × 367.84
  4. Step 4: Simplify right side
    675.81x = 373,030.22
  5. Step 5: Solve for x
    x = 373,030.22/675.81
  6. Step 6: Final answer
    x = 551.97

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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.