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Finding the Fourth Proportional to 599,418, 899,127 and 156,186

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Solution

The fourth proportional to 599,418, 899,127 and 156,186 is: 234,279

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,418 : 899,127 = 156,186 : x
  2. Step 2: Convert to fraction form
    599,418/899,127 = 156,186/x
  3. Step 3: Cross multiply
    599,418x = 899,127 × 156,186
  4. Step 4: Simplify right side
    599,418x = 140,431,049,622
  5. Step 5: Solve for x
    x = 140,431,049,622/599,418
  6. Step 6: Final answer
    x = 234,279

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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.