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Finding the Fourth Proportional to 624,327.86, 936,532.83 and 219,470.96

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Solution

The fourth proportional to 624,327.86, 936,532.83 and 219,470.96 is: 329,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,327.86 : 936,532.83 = 219,470.96 : x
  2. Step 2: Convert to fraction form
    624,327.86/936,532.83 = 219,470.96/x
  3. Step 3: Cross multiply
    624,327.86x = 936,532.83 × 219,470.96
  4. Step 4: Simplify right side
    624,327.86x = 205,541,759,271.62
  5. Step 5: Solve for x
    x = 205,541,759,271.62/624,327.86
  6. Step 6: Final answer
    x = 329,220.87

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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.