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Finding the Fourth Proportional to 796.48, 1,194.72 and 580.48

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Solution

The fourth proportional to 796.48, 1,194.72 and 580.48 is: 870.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.48 : 1,194.72 = 580.48 : x
  2. Step 2: Convert to fraction form
    796.48/1,194.72 = 580.48/x
  3. Step 3: Cross multiply
    796.48x = 1,194.72 × 580.48
  4. Step 4: Simplify right side
    796.48x = 693,511.07
  5. Step 5: Solve for x
    x = 693,511.07/796.48
  6. Step 6: Final answer
    x = 870.72

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Double scale
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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.