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Finding the Fourth Proportional to 336,514.68, 504,273.36 and 136,591.80

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Solution

The fourth proportional to 336,514.68, 504,273.36 and 136,591.80 is: 204,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,514.68 : 504,273.36 = 136,591.80 : x
  2. Step 2: Convert to fraction form
    336,514.68/504,273.36 = 136,591.80/x
  3. Step 3: Cross multiply
    336,514.68x = 504,273.36 × 136,591.80
  4. Step 4: Simplify right side
    336,514.68x = 68,879,605,934.45
  5. Step 5: Solve for x
    x = 68,879,605,934.45/336,514.68
  6. Step 6: Final answer
    x = 204,685.29

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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.