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Finding the Fourth Proportional to 324,548.72, 447,861.24 and 181,280.24

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Solution

The fourth proportional to 324,548.72, 447,861.24 and 181,280.24 is: 250,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,548.72 : 447,861.24 = 181,280.24 : x
  2. Step 2: Convert to fraction form
    324,548.72/447,861.24 = 181,280.24/x
  3. Step 3: Cross multiply
    324,548.72x = 447,861.24 × 181,280.24
  4. Step 4: Simplify right side
    324,548.72x = 81,188,393,073.90
  5. Step 5: Solve for x
    x = 81,188,393,073.90/324,548.72
  6. Step 6: Final answer
    x = 250,157.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.