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Finding the Fourth Proportional to 326,305.91, 489,939.35 and 182,493.50

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Solution

The fourth proportional to 326,305.91, 489,939.35 and 182,493.50 is: 274,008.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,305.91 : 489,939.35 = 182,493.50 : x
  2. Step 2: Convert to fraction form
    326,305.91/489,939.35 = 182,493.50/x
  3. Step 3: Cross multiply
    326,305.91x = 489,939.35 × 182,493.50
  4. Step 4: Simplify right side
    326,305.91x = 89,410,746,769.23
  5. Step 5: Solve for x
    x = 89,410,746,769.23/326,305.91
  6. Step 6: Final answer
    x = 274,008.97

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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.