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Finding the Fourth Proportional to 259,676.32, 389,675.76 and 166,249.12

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Solution

The fourth proportional to 259,676.32, 389,675.76 and 166,249.12 is: 249,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,676.32 : 389,675.76 = 166,249.12 : x
  2. Step 2: Convert to fraction form
    259,676.32/389,675.76 = 166,249.12/x
  3. Step 3: Cross multiply
    259,676.32x = 389,675.76 × 166,249.12
  4. Step 4: Simplify right side
    259,676.32x = 64,783,252,185.33
  5. Step 5: Solve for x
    x = 64,783,252,185.33/259,676.32
  6. Step 6: Final answer
    x = 249,476.93

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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.