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Finding the Fourth Proportional to 264,478.08, 364,982.72 and 143,620.80

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Solution

The fourth proportional to 264,478.08, 364,982.72 and 143,620.80 is: 198,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,478.08 : 364,982.72 = 143,620.80 : x
  2. Step 2: Convert to fraction form
    264,478.08/364,982.72 = 143,620.80/x
  3. Step 3: Cross multiply
    264,478.08x = 364,982.72 × 143,620.80
  4. Step 4: Simplify right side
    264,478.08x = 52,419,110,232.58
  5. Step 5: Solve for x
    x = 52,419,110,232.58/264,478.08
  6. Step 6: Final answer
    x = 198,198.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.