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Finding the Fourth Proportional to 235,989.06, 325,346.49 and 228,650.82

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Solution

The fourth proportional to 235,989.06, 325,346.49 and 228,650.82 is: 315,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,989.06 : 325,346.49 = 228,650.82 : x
  2. Step 2: Convert to fraction form
    235,989.06/325,346.49 = 228,650.82/x
  3. Step 3: Cross multiply
    235,989.06x = 325,346.49 × 228,650.82
  4. Step 4: Simplify right side
    235,989.06x = 74,390,741,722.62
  5. Step 5: Solve for x
    x = 74,390,741,722.62/235,989.06
  6. Step 6: Final answer
    x = 315,229.62

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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.