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Finding the Fourth Proportional to 456,182.67, 629,520.90 and 252,228.21

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Solution

The fourth proportional to 456,182.67, 629,520.90 and 252,228.21 is: 348,068.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,182.67 : 629,520.90 = 252,228.21 : x
  2. Step 2: Convert to fraction form
    456,182.67/629,520.90 = 252,228.21/x
  3. Step 3: Cross multiply
    456,182.67x = 629,520.90 × 252,228.21
  4. Step 4: Simplify right side
    456,182.67x = 158,782,929,764.59
  5. Step 5: Solve for x
    x = 158,782,929,764.59/456,182.67
  6. Step 6: Final answer
    x = 348,068.75

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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.