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Finding the Fourth Proportional to 504,760.92, 758,240.88 and 305,175.36

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Solution

The fourth proportional to 504,760.92, 758,240.88 and 305,175.36 is: 458,427.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,760.92 : 758,240.88 = 305,175.36 : x
  2. Step 2: Convert to fraction form
    504,760.92/758,240.88 = 305,175.36/x
  3. Step 3: Cross multiply
    504,760.92x = 758,240.88 × 305,175.36
  4. Step 4: Simplify right side
    504,760.92x = 231,396,433,520.72
  5. Step 5: Solve for x
    x = 231,396,433,520.72/504,760.92
  6. Step 6: Final answer
    x = 458,427.79

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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.