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Finding the Fourth Proportional to 1,494.40, 2,241.28 and 467.84

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Solution

The fourth proportional to 1,494.40, 2,241.28 and 467.84 is: 701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.40 : 2,241.28 = 467.84 : x
  2. Step 2: Convert to fraction form
    1,494.40/2,241.28 = 467.84/x
  3. Step 3: Cross multiply
    1,494.40x = 2,241.28 × 467.84
  4. Step 4: Simplify right side
    1,494.40x = 1,048,560.44
  5. Step 5: Solve for x
    x = 1,048,560.44/1,494.40
  6. Step 6: Final answer
    x = 701.66

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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.