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Finding the Fourth Proportional to 672,659.44, 1,008,960 and 167,209.72

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Solution

The fourth proportional to 672,659.44, 1,008,960 and 167,209.72 is: 250,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,659.44 : 1,008,960 = 167,209.72 : x
  2. Step 2: Convert to fraction form
    672,659.44/1,008,960 = 167,209.72/x
  3. Step 3: Cross multiply
    672,659.44x = 1,008,960 × 167,209.72
  4. Step 4: Simplify right side
    672,659.44x = 168,707,919,091.20
  5. Step 5: Solve for x
    x = 168,707,919,091.20/672,659.44
  6. Step 6: Final answer
    x = 250,807.33

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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.