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Finding the Fourth Proportional to 873.26, 1,309.89 and 224.00

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Solution

The fourth proportional to 873.26, 1,309.89 and 224.00 is: 335.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    873.26 : 1,309.89 = 224.00 : x
  2. Step 2: Convert to fraction form
    873.26/1,309.89 = 224.00/x
  3. Step 3: Cross multiply
    873.26x = 1,309.89 × 224.00
  4. Step 4: Simplify right side
    873.26x = 293,408.81
  5. Step 5: Solve for x
    x = 293,408.81/873.26
  6. Step 6: Final answer
    x = 335.99

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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.