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Finding the Fourth Proportional to 458,706.77, 632,997.84 and 254,770.69

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Solution

The fourth proportional to 458,706.77, 632,997.84 and 254,770.69 is: 351,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,706.77 : 632,997.84 = 254,770.69 : x
  2. Step 2: Convert to fraction form
    458,706.77/632,997.84 = 254,770.69/x
  3. Step 3: Cross multiply
    458,706.77x = 632,997.84 × 254,770.69
  4. Step 4: Simplify right side
    458,706.77x = 161,269,297,372.30
  5. Step 5: Solve for x
    x = 161,269,297,372.30/458,706.77
  6. Step 6: Final answer
    x = 351,573.83

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Why These Related Problems?

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