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Finding the Fourth Proportional to 336,369.80, 504,543.78 and 136,631.08

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Solution

The fourth proportional to 336,369.80, 504,543.78 and 136,631.08 is: 204,942.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,369.80 : 504,543.78 = 136,631.08 : x
  2. Step 2: Convert to fraction form
    336,369.80/504,543.78 = 136,631.08/x
  3. Step 3: Cross multiply
    336,369.80x = 504,543.78 × 136,631.08
  4. Step 4: Simplify right side
    336,369.80x = 68,936,361,568.68
  5. Step 5: Solve for x
    x = 68,936,361,568.68/336,369.80
  6. Step 6: Final answer
    x = 204,942.18

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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.