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Finding the Fourth Proportional to 456,156.54, 629,440.50 and 252,179.13

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Solution

The fourth proportional to 456,156.54, 629,440.50 and 252,179.13 is: 347,976.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,156.54 : 629,440.50 = 252,179.13 : x
  2. Step 2: Convert to fraction form
    456,156.54/629,440.50 = 252,179.13/x
  3. Step 3: Cross multiply
    456,156.54x = 629,440.50 × 252,179.13
  4. Step 4: Simplify right side
    456,156.54x = 158,731,757,676.77
  5. Step 5: Solve for x
    x = 158,731,757,676.77/456,156.54
  6. Step 6: Final answer
    x = 347,976.50

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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.