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Finding the Fourth Proportional to 656,604.30, 984,906.45 and 544,629.90

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Solution

The fourth proportional to 656,604.30, 984,906.45 and 544,629.90 is: 816,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,604.30 : 984,906.45 = 544,629.90 : x
  2. Step 2: Convert to fraction form
    656,604.30/984,906.45 = 544,629.90/x
  3. Step 3: Cross multiply
    656,604.30x = 984,906.45 × 544,629.90
  4. Step 4: Simplify right side
    656,604.30x = 536,409,501,372.86
  5. Step 5: Solve for x
    x = 536,409,501,372.86/656,604.30
  6. Step 6: Final answer
    x = 816,944.85

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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.