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Finding the Fourth Proportional to 3,474,562.40, 5,200,784.40 and 2,479,234.40

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Solution

The fourth proportional to 3,474,562.40, 5,200,784.40 and 2,479,234.40 is: 3,710,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474,562.40 : 5,200,784.40 = 2,479,234.40 : x
  2. Step 2: Convert to fraction form
    3,474,562.40/5,200,784.40 = 2,479,234.40/x
  3. Step 3: Cross multiply
    3,474,562.40x = 5,200,784.40 × 2,479,234.40
  4. Step 4: Simplify right side
    3,474,562.40x = 12,893,963,591,463.36
  5. Step 5: Solve for x
    x = 12,893,963,591,463.36/3,474,562.40
  6. Step 6: Final answer
    x = 3,710,960.43

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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.