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Finding the Fourth Proportional to 330,179.26, 495,270.10 and 80,861.26

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Solution

The fourth proportional to 330,179.26, 495,270.10 and 80,861.26 is: 121,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,179.26 : 495,270.10 = 80,861.26 : x
  2. Step 2: Convert to fraction form
    330,179.26/495,270.10 = 80,861.26/x
  3. Step 3: Cross multiply
    330,179.26x = 495,270.10 × 80,861.26
  4. Step 4: Simplify right side
    330,179.26x = 40,048,164,326.33
  5. Step 5: Solve for x
    x = 40,048,164,326.33/330,179.26
  6. Step 6: Final answer
    x = 121,292.19

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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.