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Finding the Fourth Proportional to 332,808.72, 499,164.12 and 108,189.60

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Solution

The fourth proportional to 332,808.72, 499,164.12 and 108,189.60 is: 162,268.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,808.72 : 499,164.12 = 108,189.60 : x
  2. Step 2: Convert to fraction form
    332,808.72/499,164.12 = 108,189.60/x
  3. Step 3: Cross multiply
    332,808.72x = 499,164.12 × 108,189.60
  4. Step 4: Simplify right side
    332,808.72x = 54,004,366,477.15
  5. Step 5: Solve for x
    x = 54,004,366,477.15/332,808.72
  6. Step 6: Final answer
    x = 162,268.48

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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.