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Finding the Fourth Proportional to 216,507.27, 324,753.62 and 76,262.25

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Solution

The fourth proportional to 216,507.27, 324,753.62 and 76,262.25 is: 114,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,507.27 : 324,753.62 = 76,262.25 : x
  2. Step 2: Convert to fraction form
    216,507.27/324,753.62 = 76,262.25/x
  3. Step 3: Cross multiply
    216,507.27x = 324,753.62 × 76,262.25
  4. Step 4: Simplify right side
    216,507.27x = 24,766,441,375.53
  5. Step 5: Solve for x
    x = 24,766,441,375.53/216,507.27
  6. Step 6: Final answer
    x = 114,390.81

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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.