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Finding the Fourth Proportional to 946.88, 1,419.96 and 297.44

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Solution

The fourth proportional to 946.88, 1,419.96 and 297.44 is: 446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    946.88 : 1,419.96 = 297.44 : x
  2. Step 2: Convert to fraction form
    946.88/1,419.96 = 297.44/x
  3. Step 3: Cross multiply
    946.88x = 1,419.96 × 297.44
  4. Step 4: Simplify right side
    946.88x = 422,352.90
  5. Step 5: Solve for x
    x = 422,352.90/946.88
  6. Step 6: Final answer
    x = 446.05

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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.