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Finding the Fourth Proportional to 633,338.72, 874,069.83 and 361,447.54

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Solution

The fourth proportional to 633,338.72, 874,069.83 and 361,447.54 is: 498,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,338.72 : 874,069.83 = 361,447.54 : x
  2. Step 2: Convert to fraction form
    633,338.72/874,069.83 = 361,447.54/x
  3. Step 3: Cross multiply
    633,338.72x = 874,069.83 × 361,447.54
  4. Step 4: Simplify right side
    633,338.72x = 315,930,389,841.72
  5. Step 5: Solve for x
    x = 315,930,389,841.72/633,338.72
  6. Step 6: Final answer
    x = 498,833.21

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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.