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Finding the Fourth Proportional to 400,323.88, 552,447.36 and 230,558.41

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Solution

The fourth proportional to 400,323.88, 552,447.36 and 230,558.41 is: 318,170.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,323.88 : 552,447.36 = 230,558.41 : x
  2. Step 2: Convert to fraction form
    400,323.88/552,447.36 = 230,558.41/x
  3. Step 3: Cross multiply
    400,323.88x = 552,447.36 × 230,558.41
  4. Step 4: Simplify right side
    400,323.88x = 127,371,381,015.27
  5. Step 5: Solve for x
    x = 127,371,381,015.27/400,323.88
  6. Step 6: Final answer
    x = 318,170.83

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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.