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Finding the Fourth Proportional to 672,671.44, 1,008,978 and 167,221.84

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Solution

The fourth proportional to 672,671.44, 1,008,978 and 167,221.84 is: 250,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,671.44 : 1,008,978 = 167,221.84 : x
  2. Step 2: Convert to fraction form
    672,671.44/1,008,978 = 167,221.84/x
  3. Step 3: Cross multiply
    672,671.44x = 1,008,978 × 167,221.84
  4. Step 4: Simplify right side
    672,671.44x = 168,723,157,679.52
  5. Step 5: Solve for x
    x = 168,723,157,679.52/672,671.44
  6. Step 6: Final answer
    x = 250,825.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.