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Finding the Fourth Proportional to 3,245,804.64, 4,869,149.85 and 1,352,103.21

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Solution

The fourth proportional to 3,245,804.64, 4,869,149.85 and 1,352,103.21 is: 2,028,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245,804.64 : 4,869,149.85 = 1,352,103.21 : x
  2. Step 2: Convert to fraction form
    3,245,804.64/4,869,149.85 = 1,352,103.21/x
  3. Step 3: Cross multiply
    3,245,804.64x = 4,869,149.85 × 1,352,103.21
  4. Step 4: Simplify right side
    3,245,804.64x = 6,583,593,142,156.02
  5. Step 5: Solve for x
    x = 6,583,593,142,156.02/3,245,804.64
  6. Step 6: Final answer
    x = 2,028,339.31

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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.