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Finding the Fourth Proportional to 258,918.98, 356,695.58 and 246,960.94

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Solution

The fourth proportional to 258,918.98, 356,695.58 and 246,960.94 is: 340,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,918.98 : 356,695.58 = 246,960.94 : x
  2. Step 2: Convert to fraction form
    258,918.98/356,695.58 = 246,960.94/x
  3. Step 3: Cross multiply
    258,918.98x = 356,695.58 × 246,960.94
  4. Step 4: Simplify right side
    258,918.98x = 88,089,875,730.65
  5. Step 5: Solve for x
    x = 88,089,875,730.65/258,918.98
  6. Step 6: Final answer
    x = 340,221.78

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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.