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Finding the Fourth Proportional to 1,179.26, 1,768.43 and 562.65

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Solution

The fourth proportional to 1,179.26, 1,768.43 and 562.65 is: 843.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.26 : 1,768.43 = 562.65 : x
  2. Step 2: Convert to fraction form
    1,179.26/1,768.43 = 562.65/x
  3. Step 3: Cross multiply
    1,179.26x = 1,768.43 × 562.65
  4. Step 4: Simplify right side
    1,179.26x = 995,001.91
  5. Step 5: Solve for x
    x = 995,001.91/1,179.26
  6. Step 6: Final answer
    x = 843.75

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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.