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Finding the Fourth Proportional to 512,095.00, 768,179.40 and 196,551.90

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Solution

The fourth proportional to 512,095.00, 768,179.40 and 196,551.90 is: 294,842.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,095.00 : 768,179.40 = 196,551.90 : x
  2. Step 2: Convert to fraction form
    512,095.00/768,179.40 = 196,551.90/x
  3. Step 3: Cross multiply
    512,095.00x = 768,179.40 × 196,551.90
  4. Step 4: Simplify right side
    512,095.00x = 150,987,120,610.86
  5. Step 5: Solve for x
    x = 150,987,120,610.86/512,095.00
  6. Step 6: Final answer
    x = 294,842.01

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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.