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Finding the Fourth Proportional to 216,502.44, 324,670.59 and 74,321.22

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Solution

The fourth proportional to 216,502.44, 324,670.59 and 74,321.22 is: 111,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,502.44 : 324,670.59 = 74,321.22 : x
  2. Step 2: Convert to fraction form
    216,502.44/324,670.59 = 74,321.22/x
  3. Step 3: Cross multiply
    216,502.44x = 324,670.59 × 74,321.22
  4. Step 4: Simplify right side
    216,502.44x = 24,129,914,346.92
  5. Step 5: Solve for x
    x = 24,129,914,346.92/216,502.44
  6. Step 6: Final answer
    x = 111,453.31

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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.