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Finding the Fourth Proportional to 323,736.45, 485,649.02 and 110,447.15

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Solution

The fourth proportional to 323,736.45, 485,649.02 and 110,447.15 is: 165,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,736.45 : 485,649.02 = 110,447.15 : x
  2. Step 2: Convert to fraction form
    323,736.45/485,649.02 = 110,447.15/x
  3. Step 3: Cross multiply
    323,736.45x = 485,649.02 × 110,447.15
  4. Step 4: Simplify right side
    323,736.45x = 53,638,547,385.90
  5. Step 5: Solve for x
    x = 53,638,547,385.90/323,736.45
  6. Step 6: Final answer
    x = 165,685.85

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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.