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Finding the Fourth Proportional to 6,474,404.46, 8,934,676.81 and 3,573,794.57

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Solution

The fourth proportional to 6,474,404.46, 8,934,676.81 and 3,573,794.57 is: 4,931,835.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,404.46 : 8,934,676.81 = 3,573,794.57 : x
  2. Step 2: Convert to fraction form
    6,474,404.46/8,934,676.81 = 3,573,794.57/x
  3. Step 3: Cross multiply
    6,474,404.46x = 8,934,676.81 × 3,573,794.57
  4. Step 4: Simplify right side
    6,474,404.46x = 31,930,699,481,685.12
  5. Step 5: Solve for x
    x = 31,930,699,481,685.12/6,474,404.46
  6. Step 6: Final answer
    x = 4,931,835.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.