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Finding the Fourth Proportional to 329,626.92, 493,086.24 and 263,196.80

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Solution

The fourth proportional to 329,626.92, 493,086.24 and 263,196.80 is: 393,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,626.92 : 493,086.24 = 263,196.80 : x
  2. Step 2: Convert to fraction form
    329,626.92/493,086.24 = 263,196.80/x
  3. Step 3: Cross multiply
    329,626.92x = 493,086.24 × 263,196.80
  4. Step 4: Simplify right side
    329,626.92x = 129,778,720,492.03
  5. Step 5: Solve for x
    x = 129,778,720,492.03/329,626.92
  6. Step 6: Final answer
    x = 393,713.96

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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.