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Finding the Fourth Proportional to 456,329.58, 629,739 and 252,369.96

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Solution

The fourth proportional to 456,329.58, 629,739 and 252,369.96 is: 348,272.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,329.58 : 629,739 = 252,369.96 : x
  2. Step 2: Convert to fraction form
    456,329.58/629,739 = 252,369.96/x
  3. Step 3: Cross multiply
    456,329.58x = 629,739 × 252,369.96
  4. Step 4: Simplify right side
    456,329.58x = 158,927,206,240.44
  5. Step 5: Solve for x
    x = 158,927,206,240.44/456,329.58
  6. Step 6: Final answer
    x = 348,272.86

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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.