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Finding the Fourth Proportional to 6,238,671.70, 9,351,009.15 and 3,204,865.30

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Solution

The fourth proportional to 6,238,671.70, 9,351,009.15 and 3,204,865.30 is: 4,803,702.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238,671.70 : 9,351,009.15 = 3,204,865.30 : x
  2. Step 2: Convert to fraction form
    6,238,671.70/9,351,009.15 = 3,204,865.30/x
  3. Step 3: Cross multiply
    6,238,671.70x = 9,351,009.15 × 3,204,865.30
  4. Step 4: Simplify right side
    6,238,671.70x = 29,968,724,744,817.50
  5. Step 5: Solve for x
    x = 29,968,724,744,817.50/6,238,671.70
  6. Step 6: Final answer
    x = 4,803,702.81

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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.