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Finding the Fourth Proportional to 262,901.60, 394,418.75 and 73,361.79

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Solution

The fourth proportional to 262,901.60, 394,418.75 and 73,361.79 is: 110,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,901.60 : 394,418.75 = 73,361.79 : x
  2. Step 2: Convert to fraction form
    262,901.60/394,418.75 = 73,361.79/x
  3. Step 3: Cross multiply
    262,901.60x = 394,418.75 × 73,361.79
  4. Step 4: Simplify right side
    262,901.60x = 28,935,265,142.75
  5. Step 5: Solve for x
    x = 28,935,265,142.75/262,901.60
  6. Step 6: Final answer
    x = 110,061.20

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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.