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Finding the Fourth Proportional to 448,609.70, 672,717.66 and 167,930.12

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Solution

The fourth proportional to 448,609.70, 672,717.66 and 167,930.12 is: 251,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,609.70 : 672,717.66 = 167,930.12 : x
  2. Step 2: Convert to fraction form
    448,609.70/672,717.66 = 167,930.12/x
  3. Step 3: Cross multiply
    448,609.70x = 672,717.66 × 167,930.12
  4. Step 4: Simplify right side
    448,609.70x = 112,969,557,369.92
  5. Step 5: Solve for x
    x = 112,969,557,369.92/448,609.70
  6. Step 6: Final answer
    x = 251,821.48

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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.