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Finding the Fourth Proportional to 323,839.93, 485,333.43 and 181,682.50

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Solution

The fourth proportional to 323,839.93, 485,333.43 and 181,682.50 is: 272,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,839.93 : 485,333.43 = 181,682.50 : x
  2. Step 2: Convert to fraction form
    323,839.93/485,333.43 = 181,682.50/x
  3. Step 3: Cross multiply
    323,839.93x = 485,333.43 × 181,682.50
  4. Step 4: Simplify right side
    323,839.93x = 88,176,590,895.98
  5. Step 5: Solve for x
    x = 88,176,590,895.98/323,839.93
  6. Step 6: Final answer
    x = 272,284.49

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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.