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Finding the Fourth Proportional to 447,879.96, 618,091.92 and 254,305.80

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Solution

The fourth proportional to 447,879.96, 618,091.92 and 254,305.80 is: 350,951.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,879.96 : 618,091.92 = 254,305.80 : x
  2. Step 2: Convert to fraction form
    447,879.96/618,091.92 = 254,305.80/x
  3. Step 3: Cross multiply
    447,879.96x = 618,091.92 × 254,305.80
  4. Step 4: Simplify right side
    447,879.96x = 157,184,360,189.14
  5. Step 5: Solve for x
    x = 157,184,360,189.14/447,879.96
  6. Step 6: Final answer
    x = 350,951.98

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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.