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Finding the Fourth Proportional to 2,645,694.60, 3,968,541.90 and 2,645,694.60

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Solution

The fourth proportional to 2,645,694.60, 3,968,541.90 and 2,645,694.60 is: 3,968,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,694.60 : 3,968,541.90 = 2,645,694.60 : x
  2. Step 2: Convert to fraction form
    2,645,694.60/3,968,541.90 = 2,645,694.60/x
  3. Step 3: Cross multiply
    2,645,694.60x = 3,968,541.90 × 2,645,694.60
  4. Step 4: Simplify right side
    2,645,694.60x = 10,499,549,874,703.74
  5. Step 5: Solve for x
    x = 10,499,549,874,703.74/2,645,694.60
  6. Step 6: Final answer
    x = 3,968,541.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.