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Finding the Fourth Proportional to 1,016.90, 1,524.67 and 367.55

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Solution

The fourth proportional to 1,016.90, 1,524.67 and 367.55 is: 551.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.90 : 1,524.67 = 367.55 : x
  2. Step 2: Convert to fraction form
    1,016.90/1,524.67 = 367.55/x
  3. Step 3: Cross multiply
    1,016.90x = 1,524.67 × 367.55
  4. Step 4: Simplify right side
    1,016.90x = 560,387.73
  5. Step 5: Solve for x
    x = 560,387.73/1,016.90
  6. Step 6: Final answer
    x = 551.08

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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.