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Finding the Fourth Proportional to 216,546.89, 324,737.10 and 74,365.56

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Solution

The fourth proportional to 216,546.89, 324,737.10 and 74,365.56 is: 111,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,546.89 : 324,737.10 = 74,365.56 : x
  2. Step 2: Convert to fraction form
    216,546.89/324,737.10 = 74,365.56/x
  3. Step 3: Cross multiply
    216,546.89x = 324,737.10 × 74,365.56
  4. Step 4: Simplify right side
    216,546.89x = 24,149,256,294.28
  5. Step 5: Solve for x
    x = 24,149,256,294.28/216,546.89
  6. Step 6: Final answer
    x = 111,519.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.