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Finding the Fourth Proportional to 264,634.63, 396,892.10 and 122,401.87

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Solution

The fourth proportional to 264,634.63, 396,892.10 and 122,401.87 is: 183,575.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,634.63 : 396,892.10 = 122,401.87 : x
  2. Step 2: Convert to fraction form
    264,634.63/396,892.10 = 122,401.87/x
  3. Step 3: Cross multiply
    264,634.63x = 396,892.10 × 122,401.87
  4. Step 4: Simplify right side
    264,634.63x = 48,580,334,542.00
  5. Step 5: Solve for x
    x = 48,580,334,542.00/264,634.63
  6. Step 6: Final answer
    x = 183,575.12

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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.