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Finding the Fourth Proportional to 1,175.85, 1,763.79 and 482.37

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Solution

The fourth proportional to 1,175.85, 1,763.79 and 482.37 is: 723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.85 : 1,763.79 = 482.37 : x
  2. Step 2: Convert to fraction form
    1,175.85/1,763.79 = 482.37/x
  3. Step 3: Cross multiply
    1,175.85x = 1,763.79 × 482.37
  4. Step 4: Simplify right side
    1,175.85x = 850,799.38
  5. Step 5: Solve for x
    x = 850,799.38/1,175.85
  6. Step 6: Final answer
    x = 723.56

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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.