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Finding the Fourth Proportional to 284,327.26, 426,491.44 and 73,964.86

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Solution

The fourth proportional to 284,327.26, 426,491.44 and 73,964.86 is: 110,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,327.26 : 426,491.44 = 73,964.86 : x
  2. Step 2: Convert to fraction form
    284,327.26/426,491.44 = 73,964.86/x
  3. Step 3: Cross multiply
    284,327.26x = 426,491.44 × 73,964.86
  4. Step 4: Simplify right side
    284,327.26x = 31,545,379,650.80
  5. Step 5: Solve for x
    x = 31,545,379,650.80/284,327.26
  6. Step 6: Final answer
    x = 110,947.43

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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.