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Finding the Fourth Proportional to 235,645.88, 324,170.86 and 206,442.73

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Solution

The fourth proportional to 235,645.88, 324,170.86 and 206,442.73 is: 283,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,645.88 : 324,170.86 = 206,442.73 : x
  2. Step 2: Convert to fraction form
    235,645.88/324,170.86 = 206,442.73/x
  3. Step 3: Cross multiply
    235,645.88x = 324,170.86 × 206,442.73
  4. Step 4: Simplify right side
    235,645.88x = 66,922,718,482.17
  5. Step 5: Solve for x
    x = 66,922,718,482.17/235,645.88
  6. Step 6: Final answer
    x = 283,996.98

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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.