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Finding the Fourth Proportional to 624,110.70, 936,166.05 and 551,793.90

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Solution

The fourth proportional to 624,110.70, 936,166.05 and 551,793.90 is: 827,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,110.70 : 936,166.05 = 551,793.90 : x
  2. Step 2: Convert to fraction form
    624,110.70/936,166.05 = 551,793.90/x
  3. Step 3: Cross multiply
    624,110.70x = 936,166.05 × 551,793.90
  4. Step 4: Simplify right side
    624,110.70x = 516,570,715,777.10
  5. Step 5: Solve for x
    x = 516,570,715,777.10/624,110.70
  6. Step 6: Final answer
    x = 827,690.85

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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.