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Finding the Fourth Proportional to 707,514.82, 976,958.22 and 656,229.94

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Solution

The fourth proportional to 707,514.82, 976,958.22 and 656,229.94 is: 906,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,514.82 : 976,958.22 = 656,229.94 : x
  2. Step 2: Convert to fraction form
    707,514.82/976,958.22 = 656,229.94/x
  3. Step 3: Cross multiply
    707,514.82x = 976,958.22 × 656,229.94
  4. Step 4: Simplify right side
    707,514.82x = 641,109,234,093.11
  5. Step 5: Solve for x
    x = 641,109,234,093.11/707,514.82
  6. Step 6: Final answer
    x = 906,142.48

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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.