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Finding the Fourth Proportional to 264,006.80, 396,010.20 and 164,279.60

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Solution

The fourth proportional to 264,006.80, 396,010.20 and 164,279.60 is: 246,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,006.80 : 396,010.20 = 164,279.60 : x
  2. Step 2: Convert to fraction form
    264,006.80/396,010.20 = 164,279.60/x
  3. Step 3: Cross multiply
    264,006.80x = 396,010.20 × 164,279.60
  4. Step 4: Simplify right side
    264,006.80x = 65,056,397,251.92
  5. Step 5: Solve for x
    x = 65,056,397,251.92/264,006.80
  6. Step 6: Final answer
    x = 246,419.40

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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.