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Finding the Fourth Proportional to 512,178.80, 768,245.52 and 175,249.04

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Solution

The fourth proportional to 512,178.80, 768,245.52 and 175,249.04 is: 262,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,178.80 : 768,245.52 = 175,249.04 : x
  2. Step 2: Convert to fraction form
    512,178.80/768,245.52 = 175,249.04/x
  3. Step 3: Cross multiply
    512,178.80x = 768,245.52 × 175,249.04
  4. Step 4: Simplify right side
    512,178.80x = 134,634,289,864.30
  5. Step 5: Solve for x
    x = 134,634,289,864.30/512,178.80
  6. Step 6: Final answer
    x = 262,865.80

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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.