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Finding the Fourth Proportional to 2,783,144.60, 4,174,716.90 and 2,783,144.60

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Solution

The fourth proportional to 2,783,144.60, 4,174,716.90 and 2,783,144.60 is: 4,174,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,144.60 : 4,174,716.90 = 2,783,144.60 : x
  2. Step 2: Convert to fraction form
    2,783,144.60/4,174,716.90 = 2,783,144.60/x
  3. Step 3: Cross multiply
    2,783,144.60x = 4,174,716.90 × 2,783,144.60
  4. Step 4: Simplify right side
    2,783,144.60x = 11,618,840,796,763.74
  5. Step 5: Solve for x
    x = 11,618,840,796,763.74/2,783,144.60
  6. Step 6: Final answer
    x = 4,174,716.90

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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.