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Finding the Fourth Proportional to 321,850.34, 444,108.12 and 192,758.56

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Solution

The fourth proportional to 321,850.34, 444,108.12 and 192,758.56 is: 265,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,850.34 : 444,108.12 = 192,758.56 : x
  2. Step 2: Convert to fraction form
    321,850.34/444,108.12 = 192,758.56/x
  3. Step 3: Cross multiply
    321,850.34x = 444,108.12 × 192,758.56
  4. Step 4: Simplify right side
    321,850.34x = 85,605,641,695.51
  5. Step 5: Solve for x
    x = 85,605,641,695.51/321,850.34
  6. Step 6: Final answer
    x = 265,979.65

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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.