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Finding the Fourth Proportional to 2,340,349.30, 3,280,912.70 and 2,340,349.30

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Solution

The fourth proportional to 2,340,349.30, 3,280,912.70 and 2,340,349.30 is: 3,280,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340,349.30 : 3,280,912.70 = 2,340,349.30 : x
  2. Step 2: Convert to fraction form
    2,340,349.30/3,280,912.70 = 2,340,349.30/x
  3. Step 3: Cross multiply
    2,340,349.30x = 3,280,912.70 × 2,340,349.30
  4. Step 4: Simplify right side
    2,340,349.30x = 7,678,481,740,806.11
  5. Step 5: Solve for x
    x = 7,678,481,740,806.11/2,340,349.30
  6. Step 6: Final answer
    x = 3,280,912.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.