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Finding the Fourth Proportional to 999.69, 1,499.54 and 350.27

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Solution

The fourth proportional to 999.69, 1,499.54 and 350.27 is: 525.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    999.69 : 1,499.54 = 350.27 : x
  2. Step 2: Convert to fraction form
    999.69/1,499.54 = 350.27/x
  3. Step 3: Cross multiply
    999.69x = 1,499.54 × 350.27
  4. Step 4: Simplify right side
    999.69x = 525,245.87
  5. Step 5: Solve for x
    x = 525,245.87/999.69
  6. Step 6: Final answer
    x = 525.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.