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Finding the Fourth Proportional to 567,763.88, 851,500.50 and 168,311.24

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Solution

The fourth proportional to 567,763.88, 851,500.50 and 168,311.24 is: 252,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,763.88 : 851,500.50 = 168,311.24 : x
  2. Step 2: Convert to fraction form
    567,763.88/851,500.50 = 168,311.24/x
  3. Step 3: Cross multiply
    567,763.88x = 851,500.50 × 168,311.24
  4. Step 4: Simplify right side
    567,763.88x = 143,317,105,015.62
  5. Step 5: Solve for x
    x = 143,317,105,015.62/567,763.88
  6. Step 6: Final answer
    x = 252,423.78

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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.