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Finding the Fourth Proportional to 441,780.08, 661,673.16 and 204,624.56

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Solution

The fourth proportional to 441,780.08, 661,673.16 and 204,624.56 is: 306,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,780.08 : 661,673.16 = 204,624.56 : x
  2. Step 2: Convert to fraction form
    441,780.08/661,673.16 = 204,624.56/x
  3. Step 3: Cross multiply
    441,780.08x = 661,673.16 × 204,624.56
  4. Step 4: Simplify right side
    441,780.08x = 135,394,579,228.81
  5. Step 5: Solve for x
    x = 135,394,579,228.81/441,780.08
  6. Step 6: Final answer
    x = 306,475.07

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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.