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Finding the Fourth Proportional to 3,669,994.60, 5,504,991.90 and 974,735.80

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Solution

The fourth proportional to 3,669,994.60, 5,504,991.90 and 974,735.80 is: 1,462,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,994.60 : 5,504,991.90 = 974,735.80 : x
  2. Step 2: Convert to fraction form
    3,669,994.60/5,504,991.90 = 974,735.80/x
  3. Step 3: Cross multiply
    3,669,994.60x = 5,504,991.90 × 974,735.80
  4. Step 4: Simplify right side
    3,669,994.60x = 5,365,912,683,640.02
  5. Step 5: Solve for x
    x = 5,365,912,683,640.02/3,669,994.60
  6. Step 6: Final answer
    x = 1,462,103.70

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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.