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Finding the Fourth Proportional to 1,493, 2,239.50 and 467

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Solution

The fourth proportional to 1,493, 2,239.50 and 467 is: 700.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493 : 2,239.50 = 467 : x
  2. Step 2: Convert to fraction form
    1,493/2,239.50 = 467/x
  3. Step 3: Cross multiply
    1,493x = 2,239.50 × 467
  4. Step 4: Simplify right side
    1,493x = 1,045,846.50
  5. Step 5: Solve for x
    x = 1,045,846.50/1,493
  6. Step 6: Final answer
    x = 700.50

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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.