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Finding the Fourth Proportional to 329,013.72, 493,520.51 and 179,379.86

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Solution

The fourth proportional to 329,013.72, 493,520.51 and 179,379.86 is: 269,069.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,013.72 : 493,520.51 = 179,379.86 : x
  2. Step 2: Convert to fraction form
    329,013.72/493,520.51 = 179,379.86/x
  3. Step 3: Cross multiply
    329,013.72x = 493,520.51 × 179,379.86
  4. Step 4: Simplify right side
    329,013.72x = 88,527,639,990.93
  5. Step 5: Solve for x
    x = 88,527,639,990.93/329,013.72
  6. Step 6: Final answer
    x = 269,069.75

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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.