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Finding the Fourth Proportional to 633,089.75, 873,747.05 and 361,095.30

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Solution

The fourth proportional to 633,089.75, 873,747.05 and 361,095.30 is: 498,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,089.75 : 873,747.05 = 361,095.30 : x
  2. Step 2: Convert to fraction form
    633,089.75/873,747.05 = 361,095.30/x
  3. Step 3: Cross multiply
    633,089.75x = 873,747.05 × 361,095.30
  4. Step 4: Simplify right side
    633,089.75x = 315,505,951,338.39
  5. Step 5: Solve for x
    x = 315,505,951,338.39/633,089.75
  6. Step 6: Final answer
    x = 498,358.97

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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.