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Finding the Fourth Proportional to 1,016.64, 1,524.48 and 605.67

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Solution

The fourth proportional to 1,016.64, 1,524.48 and 605.67 is: 908.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.64 : 1,524.48 = 605.67 : x
  2. Step 2: Convert to fraction form
    1,016.64/1,524.48 = 605.67/x
  3. Step 3: Cross multiply
    1,016.64x = 1,524.48 × 605.67
  4. Step 4: Simplify right side
    1,016.64x = 923,331.80
  5. Step 5: Solve for x
    x = 923,331.80/1,016.64
  6. Step 6: Final answer
    x = 908.22

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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.