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Finding the Fourth Proportional to 550,503, 825,893.22 and 156,519

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Solution

The fourth proportional to 550,503, 825,893.22 and 156,519 is: 234,817.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,503 : 825,893.22 = 156,519 : x
  2. Step 2: Convert to fraction form
    550,503/825,893.22 = 156,519/x
  3. Step 3: Cross multiply
    550,503x = 825,893.22 × 156,519
  4. Step 4: Simplify right side
    550,503x = 129,267,980,901.18
  5. Step 5: Solve for x
    x = 129,267,980,901.18/550,503
  6. Step 6: Final answer
    x = 234,817.94

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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.