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Finding the Fourth Proportional to 456,253.28, 629,633.56 and 252,317.88

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Solution

The fourth proportional to 456,253.28, 629,633.56 and 252,317.88 is: 348,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,253.28 : 629,633.56 = 252,317.88 : x
  2. Step 2: Convert to fraction form
    456,253.28/629,633.56 = 252,317.88/x
  3. Step 3: Cross multiply
    456,253.28x = 629,633.56 × 252,317.88
  4. Step 4: Simplify right side
    456,253.28x = 158,867,805,036.05
  5. Step 5: Solve for x
    x = 158,867,805,036.05/456,253.28
  6. Step 6: Final answer
    x = 348,200.91

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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.