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Finding the Fourth Proportional to 1,016.46, 1,524.78 and 367.20

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Solution

The fourth proportional to 1,016.46, 1,524.78 and 367.20 is: 550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.46 : 1,524.78 = 367.20 : x
  2. Step 2: Convert to fraction form
    1,016.46/1,524.78 = 367.20/x
  3. Step 3: Cross multiply
    1,016.46x = 1,524.78 × 367.20
  4. Step 4: Simplify right side
    1,016.46x = 559,899.22
  5. Step 5: Solve for x
    x = 559,899.22/1,016.46
  6. Step 6: Final answer
    x = 550.83

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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.