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Finding the Fourth Proportional to 275,331.60, 380,091.12 and 184,654.40

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Solution

The fourth proportional to 275,331.60, 380,091.12 and 184,654.40 is: 254,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,331.60 : 380,091.12 = 184,654.40 : x
  2. Step 2: Convert to fraction form
    275,331.60/380,091.12 = 184,654.40/x
  3. Step 3: Cross multiply
    275,331.60x = 380,091.12 × 184,654.40
  4. Step 4: Simplify right side
    275,331.60x = 70,185,497,708.93
  5. Step 5: Solve for x
    x = 70,185,497,708.93/275,331.60
  6. Step 6: Final answer
    x = 254,912.61

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1.5x scale

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.