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Finding the Fourth Proportional to 323,676.45, 485,768.93 and 224,534.31

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Solution

The fourth proportional to 323,676.45, 485,768.93 and 224,534.31 is: 336,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,676.45 : 485,768.93 = 224,534.31 : x
  2. Step 2: Convert to fraction form
    323,676.45/485,768.93 = 224,534.31/x
  3. Step 3: Cross multiply
    323,676.45x = 485,768.93 × 224,534.31
  4. Step 4: Simplify right side
    323,676.45x = 109,071,790,394.32
  5. Step 5: Solve for x
    x = 109,071,790,394.32/323,676.45
  6. Step 6: Final answer
    x = 336,977.84

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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.