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Finding the Fourth Proportional to 197,609.63, 296,451.90 and 79,290.29

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Solution

The fourth proportional to 197,609.63, 296,451.90 and 79,290.29 is: 118,950.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,609.63 : 296,451.90 = 79,290.29 : x
  2. Step 2: Convert to fraction form
    197,609.63/296,451.90 = 79,290.29/x
  3. Step 3: Cross multiply
    197,609.63x = 296,451.90 × 79,290.29
  4. Step 4: Simplify right side
    197,609.63x = 23,505,757,863.18
  5. Step 5: Solve for x
    x = 23,505,757,863.18/197,609.63
  6. Step 6: Final answer
    x = 118,950.47

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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.