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Finding the Fourth Proportional to 1,494.54, 2,241.60 and 616.44

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Solution

The fourth proportional to 1,494.54, 2,241.60 and 616.44 is: 924.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.54 : 2,241.60 = 616.44 : x
  2. Step 2: Convert to fraction form
    1,494.54/2,241.60 = 616.44/x
  3. Step 3: Cross multiply
    1,494.54x = 2,241.60 × 616.44
  4. Step 4: Simplify right side
    1,494.54x = 1,381,811.90
  5. Step 5: Solve for x
    x = 1,381,811.90/1,494.54
  6. Step 6: Final answer
    x = 924.57

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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.