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Finding the Fourth Proportional to 326,581.80, 450,651.78 and 183,309

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Solution

The fourth proportional to 326,581.80, 450,651.78 and 183,309 is: 252,948.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,581.80 : 450,651.78 = 183,309 : x
  2. Step 2: Convert to fraction form
    326,581.80/450,651.78 = 183,309/x
  3. Step 3: Cross multiply
    326,581.80x = 450,651.78 × 183,309
  4. Step 4: Simplify right side
    326,581.80x = 82,608,527,140.02
  5. Step 5: Solve for x
    x = 82,608,527,140.02/326,581.80
  6. Step 6: Final answer
    x = 252,948.96

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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.