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Finding the Fourth Proportional to 262,673.66, 394,010.78 and 73,134.44

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Solution

The fourth proportional to 262,673.66, 394,010.78 and 73,134.44 is: 109,701.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,673.66 : 394,010.78 = 73,134.44 : x
  2. Step 2: Convert to fraction form
    262,673.66/394,010.78 = 73,134.44/x
  3. Step 3: Cross multiply
    262,673.66x = 394,010.78 × 73,134.44
  4. Step 4: Simplify right side
    262,673.66x = 28,815,756,891.08
  5. Step 5: Solve for x
    x = 28,815,756,891.08/262,673.66
  6. Step 6: Final answer
    x = 109,701.74

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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.