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Finding the Fourth Proportional to 884.72, 1,326.98 and 235.51

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Solution

The fourth proportional to 884.72, 1,326.98 and 235.51 is: 353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.72 : 1,326.98 = 235.51 : x
  2. Step 2: Convert to fraction form
    884.72/1,326.98 = 235.51/x
  3. Step 3: Cross multiply
    884.72x = 1,326.98 × 235.51
  4. Step 4: Simplify right side
    884.72x = 312,514.33
  5. Step 5: Solve for x
    x = 312,514.33/884.72
  6. Step 6: Final answer
    x = 353.23

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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.