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Finding the Fourth Proportional to 323,725.59, 485,638.38 and 110,443.53

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Solution

The fourth proportional to 323,725.59, 485,638.38 and 110,443.53 is: 165,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,725.59 : 485,638.38 = 110,443.53 : x
  2. Step 2: Convert to fraction form
    323,725.59/485,638.38 = 110,443.53/x
  3. Step 3: Cross multiply
    323,725.59x = 485,638.38 × 110,443.53
  4. Step 4: Simplify right side
    323,725.59x = 53,635,616,990.68
  5. Step 5: Solve for x
    x = 53,635,616,990.68/323,725.59
  6. Step 6: Final answer
    x = 165,682.35

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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.