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Finding the Fourth Proportional to 536,512.21, 740,451.23 and 321,770.41

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Solution

The fourth proportional to 536,512.21, 740,451.23 and 321,770.41 is: 444,081.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,512.21 : 740,451.23 = 321,770.41 : x
  2. Step 2: Convert to fraction form
    536,512.21/740,451.23 = 321,770.41/x
  3. Step 3: Cross multiply
    536,512.21x = 740,451.23 × 321,770.41
  4. Step 4: Simplify right side
    536,512.21x = 238,255,295,862.10
  5. Step 5: Solve for x
    x = 238,255,295,862.10/536,512.21
  6. Step 6: Final answer
    x = 444,081.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.