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Finding the Fourth Proportional to 456,243.81, 629,620.53 and 252,308.46

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Solution

The fourth proportional to 456,243.81, 629,620.53 and 252,308.46 is: 348,187.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,243.81 : 629,620.53 = 252,308.46 : x
  2. Step 2: Convert to fraction form
    456,243.81/629,620.53 = 252,308.46/x
  3. Step 3: Cross multiply
    456,243.81x = 629,620.53 × 252,308.46
  4. Step 4: Simplify right side
    456,243.81x = 158,858,583,160.58
  5. Step 5: Solve for x
    x = 158,858,583,160.58/456,243.81
  6. Step 6: Final answer
    x = 348,187.92

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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.