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Finding the Fourth Proportional to 548,808.62, 823,212.92 and 361,776.38

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Solution

The fourth proportional to 548,808.62, 823,212.92 and 361,776.38 is: 542,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,808.62 : 823,212.92 = 361,776.38 : x
  2. Step 2: Convert to fraction form
    548,808.62/823,212.92 = 361,776.38/x
  3. Step 3: Cross multiply
    548,808.62x = 823,212.92 × 361,776.38
  4. Step 4: Simplify right side
    548,808.62x = 297,818,986,955.21
  5. Step 5: Solve for x
    x = 297,818,986,955.21/548,808.62
  6. Step 6: Final answer
    x = 542,664.56

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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.