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Finding the Fourth Proportional to 568,939.89, 785,160.84 and 327,222.63

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Solution

The fourth proportional to 568,939.89, 785,160.84 and 327,222.63 is: 451,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,939.89 : 785,160.84 = 327,222.63 : x
  2. Step 2: Convert to fraction form
    568,939.89/785,160.84 = 327,222.63/x
  3. Step 3: Cross multiply
    568,939.89x = 785,160.84 × 327,222.63
  4. Step 4: Simplify right side
    568,939.89x = 256,922,395,037.81
  5. Step 5: Solve for x
    x = 256,922,395,037.81/568,939.89
  6. Step 6: Final answer
    x = 451,580.91

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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.