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Finding the Fourth Proportional to 326,512.68, 450,552.78 and 183,288.48

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Solution

The fourth proportional to 326,512.68, 450,552.78 and 183,288.48 is: 252,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,512.68 : 450,552.78 = 183,288.48 : x
  2. Step 2: Convert to fraction form
    326,512.68/450,552.78 = 183,288.48/x
  3. Step 3: Cross multiply
    326,512.68x = 450,552.78 × 183,288.48
  4. Step 4: Simplify right side
    326,512.68x = 82,581,134,205.97
  5. Step 5: Solve for x
    x = 82,581,134,205.97/326,512.68
  6. Step 6: Final answer
    x = 252,918.61

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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.