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Finding the Fourth Proportional to 447,469.74, 617,368.91 and 253,845.32

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Solution

The fourth proportional to 447,469.74, 617,368.91 and 253,845.32 is: 350,227.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,469.74 : 617,368.91 = 253,845.32 : x
  2. Step 2: Convert to fraction form
    447,469.74/617,368.91 = 253,845.32/x
  3. Step 3: Cross multiply
    447,469.74x = 617,368.91 × 253,845.32
  4. Step 4: Simplify right side
    447,469.74x = 156,716,204,160.93
  5. Step 5: Solve for x
    x = 156,716,204,160.93/447,469.74
  6. Step 6: Final answer
    x = 350,227.49

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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.