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Finding the Fourth Proportional to 262,914.30, 394,371.45 and 73,374.30

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Solution

The fourth proportional to 262,914.30, 394,371.45 and 73,374.30 is: 110,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,914.30 : 394,371.45 = 73,374.30 : x
  2. Step 2: Convert to fraction form
    262,914.30/394,371.45 = 73,374.30/x
  3. Step 3: Cross multiply
    262,914.30x = 394,371.45 × 73,374.30
  4. Step 4: Simplify right side
    262,914.30x = 28,936,729,083.74
  5. Step 5: Solve for x
    x = 28,936,729,083.74/262,914.30
  6. Step 6: Final answer
    x = 110,061.45

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1.5x scale

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.