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Finding the Fourth Proportional to 240,486.36, 360,778.74 and 82,694.31

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Solution

The fourth proportional to 240,486.36, 360,778.74 and 82,694.31 is: 124,058.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,486.36 : 360,778.74 = 82,694.31 : x
  2. Step 2: Convert to fraction form
    240,486.36/360,778.74 = 82,694.31/x
  3. Step 3: Cross multiply
    240,486.36x = 360,778.74 × 82,694.31
  4. Step 4: Simplify right side
    240,486.36x = 29,834,348,966.97
  5. Step 5: Solve for x
    x = 29,834,348,966.97/240,486.36
  6. Step 6: Final answer
    x = 124,058.38

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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.