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Finding the Fourth Proportional to 456,236.50, 629,606.38 and 255,032.50

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Solution

The fourth proportional to 456,236.50, 629,606.38 and 255,032.50 is: 351,944.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,236.50 : 629,606.38 = 255,032.50 : x
  2. Step 2: Convert to fraction form
    456,236.50/629,606.38 = 255,032.50/x
  3. Step 3: Cross multiply
    456,236.50x = 629,606.38 × 255,032.50
  4. Step 4: Simplify right side
    456,236.50x = 160,570,089,107.35
  5. Step 5: Solve for x
    x = 160,570,089,107.35/456,236.50
  6. Step 6: Final answer
    x = 351,944.86

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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.