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Finding the Fourth Proportional to 426,812.31, 588,950.46 and 254,698.38

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Solution

The fourth proportional to 426,812.31, 588,950.46 and 254,698.38 is: 351,453.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,812.31 : 588,950.46 = 254,698.38 : x
  2. Step 2: Convert to fraction form
    426,812.31/588,950.46 = 254,698.38/x
  3. Step 3: Cross multiply
    426,812.31x = 588,950.46 × 254,698.38
  4. Step 4: Simplify right side
    426,812.31x = 150,004,728,062.26
  5. Step 5: Solve for x
    x = 150,004,728,062.26/426,812.31
  6. Step 6: Final answer
    x = 351,453.61

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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.