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Finding the Fourth Proportional to 323,624.91, 485,441.49 and 123,957.27

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Solution

The fourth proportional to 323,624.91, 485,441.49 and 123,957.27 is: 185,937.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,624.91 : 485,441.49 = 123,957.27 : x
  2. Step 2: Convert to fraction form
    323,624.91/485,441.49 = 123,957.27/x
  3. Step 3: Cross multiply
    323,624.91x = 485,441.49 × 123,957.27
  4. Step 4: Simplify right side
    323,624.91x = 60,174,001,845.13
  5. Step 5: Solve for x
    x = 60,174,001,845.13/323,624.91
  6. Step 6: Final answer
    x = 185,937.48

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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.