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Finding the Fourth Proportional to 796.30, 1,193.73 and 283.18

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Solution

The fourth proportional to 796.30, 1,193.73 and 283.18 is: 424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.30 : 1,193.73 = 283.18 : x
  2. Step 2: Convert to fraction form
    796.30/1,193.73 = 283.18/x
  3. Step 3: Cross multiply
    796.30x = 1,193.73 × 283.18
  4. Step 4: Simplify right side
    796.30x = 338,036.42
  5. Step 5: Solve for x
    x = 338,036.42/796.30
  6. Step 6: Final answer
    x = 424.51

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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.