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Finding the Fourth Proportional to 2,783,246.85, 4,174,870.28 and 2,783,246.85

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Solution

The fourth proportional to 2,783,246.85, 4,174,870.28 and 2,783,246.85 is: 4,174,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,246.85 : 4,174,870.28 = 2,783,246.85 : x
  2. Step 2: Convert to fraction form
    2,783,246.85/4,174,870.28 = 2,783,246.85/x
  3. Step 3: Cross multiply
    2,783,246.85x = 4,174,870.28 × 2,783,246.85
  4. Step 4: Simplify right side
    2,783,246.85x = 11,619,694,542,052.38
  5. Step 5: Solve for x
    x = 11,619,694,542,052.38/2,783,246.85
  6. Step 6: Final answer
    x = 4,174,870.28

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Double scale
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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.