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Finding the Fourth Proportional to 422,267.07, 582,738 and 240,975.39

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Solution

The fourth proportional to 422,267.07, 582,738 and 240,975.39 is: 332,551.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,267.07 : 582,738 = 240,975.39 : x
  2. Step 2: Convert to fraction form
    422,267.07/582,738 = 240,975.39/x
  3. Step 3: Cross multiply
    422,267.07x = 582,738 × 240,975.39
  4. Step 4: Simplify right side
    422,267.07x = 140,425,516,817.82
  5. Step 5: Solve for x
    x = 140,425,516,817.82/422,267.07
  6. Step 6: Final answer
    x = 332,551.43

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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.