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Finding the Fourth Proportional to 326,039.63, 449,849.52 and 188,184.83

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Solution

The fourth proportional to 326,039.63, 449,849.52 and 188,184.83 is: 259,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,039.63 : 449,849.52 = 188,184.83 : x
  2. Step 2: Convert to fraction form
    326,039.63/449,849.52 = 188,184.83/x
  3. Step 3: Cross multiply
    326,039.63x = 449,849.52 × 188,184.83
  4. Step 4: Simplify right side
    326,039.63x = 84,654,853,197.53
  5. Step 5: Solve for x
    x = 84,654,853,197.53/326,039.63
  6. Step 6: Final answer
    x = 259,645.90

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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.