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Finding the Fourth Proportional to 324,861.42, 448,349.92 and 181,629.92

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Solution

The fourth proportional to 324,861.42, 448,349.92 and 181,629.92 is: 250,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,861.42 : 448,349.92 = 181,629.92 : x
  2. Step 2: Convert to fraction form
    324,861.42/448,349.92 = 181,629.92/x
  3. Step 3: Cross multiply
    324,861.42x = 448,349.92 × 181,629.92
  4. Step 4: Simplify right side
    324,861.42x = 81,433,760,101.61
  5. Step 5: Solve for x
    x = 81,433,760,101.61/324,861.42
  6. Step 6: Final answer
    x = 250,672.30

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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.