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Finding the Fourth Proportional to 1,179.44, 1,768.08 and 562.76

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Solution

The fourth proportional to 1,179.44, 1,768.08 and 562.76 is: 843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.44 : 1,768.08 = 562.76 : x
  2. Step 2: Convert to fraction form
    1,179.44/1,768.08 = 562.76/x
  3. Step 3: Cross multiply
    1,179.44x = 1,768.08 × 562.76
  4. Step 4: Simplify right side
    1,179.44x = 995,004.70
  5. Step 5: Solve for x
    x = 995,004.70/1,179.44
  6. Step 6: Final answer
    x = 843.62

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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.