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Finding the Fourth Proportional to 456,173.56, 629,494.18 and 252,212.56

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Solution

The fourth proportional to 456,173.56, 629,494.18 and 252,212.56 is: 348,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,173.56 : 629,494.18 = 252,212.56 : x
  2. Step 2: Convert to fraction form
    456,173.56/629,494.18 = 252,212.56/x
  3. Step 3: Cross multiply
    456,173.56x = 629,494.18 × 252,212.56
  4. Step 4: Simplify right side
    456,173.56x = 158,766,338,642.90
  5. Step 5: Solve for x
    x = 158,766,338,642.90/456,173.56
  6. Step 6: Final answer
    x = 348,039.33

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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.