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Finding the Fourth Proportional to 844,134, 1,266,201 and 253,158

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Solution

The fourth proportional to 844,134, 1,266,201 and 253,158 is: 379,737

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,134 : 1,266,201 = 253,158 : x
  2. Step 2: Convert to fraction form
    844,134/1,266,201 = 253,158/x
  3. Step 3: Cross multiply
    844,134x = 1,266,201 × 253,158
  4. Step 4: Simplify right side
    844,134x = 320,548,912,758
  5. Step 5: Solve for x
    x = 320,548,912,758/844,134
  6. Step 6: Final answer
    x = 379,737

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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.