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Finding the Fourth Proportional to 532,179.68, 798,503.37 and 279,401.44

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Solution

The fourth proportional to 532,179.68, 798,503.37 and 279,401.44 is: 419,224.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,179.68 : 798,503.37 = 279,401.44 : x
  2. Step 2: Convert to fraction form
    532,179.68/798,503.37 = 279,401.44/x
  3. Step 3: Cross multiply
    532,179.68x = 798,503.37 × 279,401.44
  4. Step 4: Simplify right side
    532,179.68x = 223,102,991,422.85
  5. Step 5: Solve for x
    x = 223,102,991,422.85/532,179.68
  6. Step 6: Final answer
    x = 419,224.93

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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.