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Finding the Fourth Proportional to 456,076.37, 629,381.12 and 252,132.54

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Solution

The fourth proportional to 456,076.37, 629,381.12 and 252,132.54 is: 347,940.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,076.37 : 629,381.12 = 252,132.54 : x
  2. Step 2: Convert to fraction form
    456,076.37/629,381.12 = 252,132.54/x
  3. Step 3: Cross multiply
    456,076.37x = 629,381.12 × 252,132.54
  4. Step 4: Simplify right side
    456,076.37x = 158,687,459,152.98
  5. Step 5: Solve for x
    x = 158,687,459,152.98/456,076.37
  6. Step 6: Final answer
    x = 347,940.55

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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.