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Finding the Fourth Proportional to 512,234.40, 768,351.60 and 246,513.90

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Solution

The fourth proportional to 512,234.40, 768,351.60 and 246,513.90 is: 369,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,234.40 : 768,351.60 = 246,513.90 : x
  2. Step 2: Convert to fraction form
    512,234.40/768,351.60 = 246,513.90/x
  3. Step 3: Cross multiply
    512,234.40x = 768,351.60 × 246,513.90
  4. Step 4: Simplify right side
    512,234.40x = 189,409,349,487.24
  5. Step 5: Solve for x
    x = 189,409,349,487.24/512,234.40
  6. Step 6: Final answer
    x = 369,770.85

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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.