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Finding the Fourth Proportional to 323,904.30, 485,500.05 and 113,433.90

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Solution

The fourth proportional to 323,904.30, 485,500.05 and 113,433.90 is: 170,026.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,904.30 : 485,500.05 = 113,433.90 : x
  2. Step 2: Convert to fraction form
    323,904.30/485,500.05 = 113,433.90/x
  3. Step 3: Cross multiply
    323,904.30x = 485,500.05 × 113,433.90
  4. Step 4: Simplify right side
    323,904.30x = 55,072,164,121.70
  5. Step 5: Solve for x
    x = 55,072,164,121.70/323,904.30
  6. Step 6: Final answer
    x = 170,026.04

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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.