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Finding the Fourth Proportional to 263,244.28, 394,774 and 73,653.68

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Solution

The fourth proportional to 263,244.28, 394,774 and 73,653.68 is: 110,454.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,244.28 : 394,774 = 73,653.68 : x
  2. Step 2: Convert to fraction form
    263,244.28/394,774 = 73,653.68/x
  3. Step 3: Cross multiply
    263,244.28x = 394,774 × 73,653.68
  4. Step 4: Simplify right side
    263,244.28x = 29,076,557,868.32
  5. Step 5: Solve for x
    x = 29,076,557,868.32/263,244.28
  6. Step 6: Final answer
    x = 110,454.66

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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.