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Finding the Fourth Proportional to 303,633.72, 419,017.88 and 167,667.48

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Solution

The fourth proportional to 303,633.72, 419,017.88 and 167,667.48 is: 231,382.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,633.72 : 419,017.88 = 167,667.48 : x
  2. Step 2: Convert to fraction form
    303,633.72/419,017.88 = 167,667.48/x
  3. Step 3: Cross multiply
    303,633.72x = 419,017.88 × 167,667.48
  4. Step 4: Simplify right side
    303,633.72x = 70,255,672,014.54
  5. Step 5: Solve for x
    x = 70,255,672,014.54/303,633.72
  6. Step 6: Final answer
    x = 231,382.97

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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.