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Finding the Fourth Proportional to 887.40, 1,331.03 and 367.25

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Solution

The fourth proportional to 887.40, 1,331.03 and 367.25 is: 550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    887.40 : 1,331.03 = 367.25 : x
  2. Step 2: Convert to fraction form
    887.40/1,331.03 = 367.25/x
  3. Step 3: Cross multiply
    887.40x = 1,331.03 × 367.25
  4. Step 4: Simplify right side
    887.40x = 488,815.03
  5. Step 5: Solve for x
    x = 488,815.03/887.40
  6. Step 6: Final answer
    x = 550.84

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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.