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Finding the Fourth Proportional to 352,365.97, 486,268.61 and 191,222.41

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Solution

The fourth proportional to 352,365.97, 486,268.61 and 191,222.41 is: 263,888.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,365.97 : 486,268.61 = 191,222.41 : x
  2. Step 2: Convert to fraction form
    352,365.97/486,268.61 = 191,222.41/x
  3. Step 3: Cross multiply
    352,365.97x = 486,268.61 × 191,222.41
  4. Step 4: Simplify right side
    352,365.97x = 92,985,455,511.55
  5. Step 5: Solve for x
    x = 92,985,455,511.55/352,365.97
  6. Step 6: Final answer
    x = 263,888.86

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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.