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Finding the Fourth Proportional to 323,447.04, 485,335.68 and 134,050.56

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Solution

The fourth proportional to 323,447.04, 485,335.68 and 134,050.56 is: 201,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,447.04 : 485,335.68 = 134,050.56 : x
  2. Step 2: Convert to fraction form
    323,447.04/485,335.68 = 134,050.56/x
  3. Step 3: Cross multiply
    323,447.04x = 485,335.68 × 134,050.56
  4. Step 4: Simplify right side
    323,447.04x = 65,059,519,691.98
  5. Step 5: Solve for x
    x = 65,059,519,691.98/323,447.04
  6. Step 6: Final answer
    x = 201,144.27

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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.