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Finding the Fourth Proportional to 624,579.86, 936,295.70 and 225,122.86

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Solution

The fourth proportional to 624,579.86, 936,295.70 and 225,122.86 is: 337,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,579.86 : 936,295.70 = 225,122.86 : x
  2. Step 2: Convert to fraction form
    624,579.86/936,295.70 = 225,122.86/x
  3. Step 3: Cross multiply
    624,579.86x = 936,295.70 × 225,122.86
  4. Step 4: Simplify right side
    624,579.86x = 210,781,565,789.70
  5. Step 5: Solve for x
    x = 210,781,565,789.70/624,579.86
  6. Step 6: Final answer
    x = 337,477.37

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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.