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Finding the Fourth Proportional to 456,243.68, 629,620.36 and 252,308.33

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Solution

The fourth proportional to 456,243.68, 629,620.36 and 252,308.33 is: 348,187.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,243.68 : 629,620.36 = 252,308.33 : x
  2. Step 2: Convert to fraction form
    456,243.68/629,620.36 = 252,308.33/x
  3. Step 3: Cross multiply
    456,243.68x = 629,620.36 × 252,308.33
  4. Step 4: Simplify right side
    456,243.68x = 158,858,460,934.83
  5. Step 5: Solve for x
    x = 158,858,460,934.83/456,243.68
  6. Step 6: Final answer
    x = 348,187.75

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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.