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Finding the Fourth Proportional to 426,896.98, 589,067.66 and 235,898.98

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Solution

The fourth proportional to 426,896.98, 589,067.66 and 235,898.98 is: 325,512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,896.98 : 589,067.66 = 235,898.98 : x
  2. Step 2: Convert to fraction form
    426,896.98/589,067.66 = 235,898.98/x
  3. Step 3: Cross multiply
    426,896.98x = 589,067.66 × 235,898.98
  4. Step 4: Simplify right side
    426,896.98x = 138,960,459,262.07
  5. Step 5: Solve for x
    x = 138,960,459,262.07/426,896.98
  6. Step 6: Final answer
    x = 325,512.87

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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.