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Finding the Fourth Proportional to 341,441.60, 512,162.40 and 323,945.60

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Solution

The fourth proportional to 341,441.60, 512,162.40 and 323,945.60 is: 485,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,441.60 : 512,162.40 = 323,945.60 : x
  2. Step 2: Convert to fraction form
    341,441.60/512,162.40 = 323,945.60/x
  3. Step 3: Cross multiply
    341,441.60x = 512,162.40 × 323,945.60
  4. Step 4: Simplify right side
    341,441.60x = 165,912,755,965.44
  5. Step 5: Solve for x
    x = 165,912,755,965.44/341,441.60
  6. Step 6: Final answer
    x = 485,918.40

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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.