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Finding the Fourth Proportional to 505,469.44, 757,950.62 and 168,391.58

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Solution

The fourth proportional to 505,469.44, 757,950.62 and 168,391.58 is: 252,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,469.44 : 757,950.62 = 168,391.58 : x
  2. Step 2: Convert to fraction form
    505,469.44/757,950.62 = 168,391.58/x
  3. Step 3: Cross multiply
    505,469.44x = 757,950.62 × 168,391.58
  4. Step 4: Simplify right side
    505,469.44x = 127,632,502,463.78
  5. Step 5: Solve for x
    x = 127,632,502,463.78/505,469.44
  6. Step 6: Final answer
    x = 252,502.91

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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.