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Finding the Fourth Proportional to 323,581.92, 485,372.88 and 323,114.64

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Solution

The fourth proportional to 323,581.92, 485,372.88 and 323,114.64 is: 484,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,581.92 : 485,372.88 = 323,114.64 : x
  2. Step 2: Convert to fraction form
    323,581.92/485,372.88 = 323,114.64/x
  3. Step 3: Cross multiply
    323,581.92x = 485,372.88 × 323,114.64
  4. Step 4: Simplify right side
    323,581.92x = 156,831,083,386.96
  5. Step 5: Solve for x
    x = 156,831,083,386.96/323,581.92
  6. Step 6: Final answer
    x = 484,671.96

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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.