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Finding the Fourth Proportional to 331,287.88, 496,514.92 and 179,479.12

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Solution

The fourth proportional to 331,287.88, 496,514.92 and 179,479.12 is: 268,992.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,287.88 : 496,514.92 = 179,479.12 : x
  2. Step 2: Convert to fraction form
    331,287.88/496,514.92 = 179,479.12/x
  3. Step 3: Cross multiply
    331,287.88x = 496,514.92 × 179,479.12
  4. Step 4: Simplify right side
    331,287.88x = 89,114,060,908.47
  5. Step 5: Solve for x
    x = 89,114,060,908.47/331,287.88
  6. Step 6: Final answer
    x = 268,992.82

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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.