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Finding the Fourth Proportional to 504,620.08, 757,186.08 and 279,939.04

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Solution

The fourth proportional to 504,620.08, 757,186.08 and 279,939.04 is: 420,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,620.08 : 757,186.08 = 279,939.04 : x
  2. Step 2: Convert to fraction form
    504,620.08/757,186.08 = 279,939.04/x
  3. Step 3: Cross multiply
    504,620.08x = 757,186.08 × 279,939.04
  4. Step 4: Simplify right side
    504,620.08x = 211,965,944,336.56
  5. Step 5: Solve for x
    x = 211,965,944,336.56/504,620.08
  6. Step 6: Final answer
    x = 420,050.55

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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.