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Finding the Fourth Proportional to 1,236.69, 1,855.52 and 467.25

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Solution

The fourth proportional to 1,236.69, 1,855.52 and 467.25 is: 701.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.69 : 1,855.52 = 467.25 : x
  2. Step 2: Convert to fraction form
    1,236.69/1,855.52 = 467.25/x
  3. Step 3: Cross multiply
    1,236.69x = 1,855.52 × 467.25
  4. Step 4: Simplify right side
    1,236.69x = 866,989.38
  5. Step 5: Solve for x
    x = 866,989.38/1,236.69
  6. Step 6: Final answer
    x = 701.06

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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.