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Finding the Fourth Proportional to 1,493.63, 2,240.44 and 367.90

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Solution

The fourth proportional to 1,493.63, 2,240.44 and 367.90 is: 551.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.63 : 2,240.44 = 367.90 : x
  2. Step 2: Convert to fraction form
    1,493.63/2,240.44 = 367.90/x
  3. Step 3: Cross multiply
    1,493.63x = 2,240.44 × 367.90
  4. Step 4: Simplify right side
    1,493.63x = 824,251.36
  5. Step 5: Solve for x
    x = 824,251.36/1,493.63
  6. Step 6: Final answer
    x = 551.84

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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.