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Finding the Fourth Proportional to 456,245.28, 629,622.57 and 252,309.93

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Solution

The fourth proportional to 456,245.28, 629,622.57 and 252,309.93 is: 348,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,245.28 : 629,622.57 = 252,309.93 : x
  2. Step 2: Convert to fraction form
    456,245.28/629,622.57 = 252,309.93/x
  3. Step 3: Cross multiply
    456,245.28x = 629,622.57 × 252,309.93
  4. Step 4: Simplify right side
    456,245.28x = 158,860,026,563.12
  5. Step 5: Solve for x
    x = 158,860,026,563.12/456,245.28
  6. Step 6: Final answer
    x = 348,189.96

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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.