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Finding the Fourth Proportional to 218,016.73, 326,651.40 and 173,176.40

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Solution

The fourth proportional to 218,016.73, 326,651.40 and 173,176.40 is: 259,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,016.73 : 326,651.40 = 173,176.40 : x
  2. Step 2: Convert to fraction form
    218,016.73/326,651.40 = 173,176.40/x
  3. Step 3: Cross multiply
    218,016.73x = 326,651.40 × 173,176.40
  4. Step 4: Simplify right side
    218,016.73x = 56,568,312,486.17
  5. Step 5: Solve for x
    x = 56,568,312,486.17/218,016.73
  6. Step 6: Final answer
    x = 259,467.76

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1.5x scale

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.