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Finding the Fourth Proportional to 323,449.89, 446,363.90 and 178,260.98

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Solution

The fourth proportional to 323,449.89, 446,363.90 and 178,260.98 is: 246,001.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,449.89 : 446,363.90 = 178,260.98 : x
  2. Step 2: Convert to fraction form
    323,449.89/446,363.90 = 178,260.98/x
  3. Step 3: Cross multiply
    323,449.89x = 446,363.90 × 178,260.98
  4. Step 4: Simplify right side
    323,449.89x = 79,569,263,127.50
  5. Step 5: Solve for x
    x = 79,569,263,127.50/323,449.89
  6. Step 6: Final answer
    x = 246,001.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.