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Finding the Fourth Proportional to 323,937.45, 447,030.63 and 178,744.55

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Solution

The fourth proportional to 323,937.45, 447,030.63 and 178,744.55 is: 246,665.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,937.45 : 447,030.63 = 178,744.55 : x
  2. Step 2: Convert to fraction form
    323,937.45/447,030.63 = 178,744.55/x
  3. Step 3: Cross multiply
    323,937.45x = 447,030.63 × 178,744.55
  4. Step 4: Simplify right side
    323,937.45x = 79,904,286,560.41
  5. Step 5: Solve for x
    x = 79,904,286,560.41/323,937.45
  6. Step 6: Final answer
    x = 246,665.79

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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.