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Finding the Fourth Proportional to 321,725.79, 444,020.96 and 185,759.51

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Solution

The fourth proportional to 321,725.79, 444,020.96 and 185,759.51 is: 256,370.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,725.79 : 444,020.96 = 185,759.51 : x
  2. Step 2: Convert to fraction form
    321,725.79/444,020.96 = 185,759.51/x
  3. Step 3: Cross multiply
    321,725.79x = 444,020.96 × 185,759.51
  4. Step 4: Simplify right side
    321,725.79x = 82,481,115,868.70
  5. Step 5: Solve for x
    x = 82,481,115,868.70/321,725.79
  6. Step 6: Final answer
    x = 256,370.86

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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.