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Finding the Fourth Proportional to 523,010.30, 784,632.81 and 168,044.54

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Solution

The fourth proportional to 523,010.30, 784,632.81 and 168,044.54 is: 252,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,010.30 : 784,632.81 = 168,044.54 : x
  2. Step 2: Convert to fraction form
    523,010.30/784,632.81 = 168,044.54/x
  3. Step 3: Cross multiply
    523,010.30x = 784,632.81 × 168,044.54
  4. Step 4: Simplify right side
    523,010.30x = 131,853,259,625.36
  5. Step 5: Solve for x
    x = 131,853,259,625.36/523,010.30
  6. Step 6: Final answer
    x = 252,104.52

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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.