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Finding the Fourth Proportional to 264,456.50, 396,508.77 and 136,452.60

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Solution

The fourth proportional to 264,456.50, 396,508.77 and 136,452.60 is: 204,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,456.50 : 396,508.77 = 136,452.60 : x
  2. Step 2: Convert to fraction form
    264,456.50/396,508.77 = 136,452.60/x
  3. Step 3: Cross multiply
    264,456.50x = 396,508.77 × 136,452.60
  4. Step 4: Simplify right side
    264,456.50x = 54,104,652,589.30
  5. Step 5: Solve for x
    x = 54,104,652,589.30/264,456.50
  6. Step 6: Final answer
    x = 204,588.10

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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.