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Finding the Fourth Proportional to 456,168.88, 629,487.66 and 252,208

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Solution

The fourth proportional to 456,168.88, 629,487.66 and 252,208 is: 348,033.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,168.88 : 629,487.66 = 252,208 : x
  2. Step 2: Convert to fraction form
    456,168.88/629,487.66 = 252,208/x
  3. Step 3: Cross multiply
    456,168.88x = 629,487.66 × 252,208
  4. Step 4: Simplify right side
    456,168.88x = 158,761,823,753.28
  5. Step 5: Solve for x
    x = 158,761,823,753.28/456,168.88
  6. Step 6: Final answer
    x = 348,033.00

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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.