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Finding the Fourth Proportional to 322,759.22, 445,298.37 and 230,800.82

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Solution

The fourth proportional to 322,759.22, 445,298.37 and 230,800.82 is: 318,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,759.22 : 445,298.37 = 230,800.82 : x
  2. Step 2: Convert to fraction form
    322,759.22/445,298.37 = 230,800.82/x
  3. Step 3: Cross multiply
    322,759.22x = 445,298.37 × 230,800.82
  4. Step 4: Simplify right side
    322,759.22x = 102,775,228,940.66
  5. Step 5: Solve for x
    x = 102,775,228,940.66/322,759.22
  6. Step 6: Final answer
    x = 318,426.93

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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.