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Finding the Fourth Proportional to 442.83, 611.10 and 246.33

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Solution

The fourth proportional to 442.83, 611.10 and 246.33 is: 339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    442.83 : 611.10 = 246.33 : x
  2. Step 2: Convert to fraction form
    442.83/611.10 = 246.33/x
  3. Step 3: Cross multiply
    442.83x = 611.10 × 246.33
  4. Step 4: Simplify right side
    442.83x = 150,532.26
  5. Step 5: Solve for x
    x = 150,532.26/442.83
  6. Step 6: Final answer
    x = 339.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.