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Finding the Fourth Proportional to 1,241.27, 1,700.57 and 1,194.57

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Solution

The fourth proportional to 1,241.27, 1,700.57 and 1,194.57 is: 1,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241.27 : 1,700.57 = 1,194.57 : x
  2. Step 2: Convert to fraction form
    1,241.27/1,700.57 = 1,194.57/x
  3. Step 3: Cross multiply
    1,241.27x = 1,700.57 × 1,194.57
  4. Step 4: Simplify right side
    1,241.27x = 2,031,443.93
  5. Step 5: Solve for x
    x = 2,031,443.93/1,241.27
  6. Step 6: Final answer
    x = 1,636.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.