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Finding the Fourth Proportional to 5,296,980.45, 7,945,497.46 and 1,653,404.90

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Solution

The fourth proportional to 5,296,980.45, 7,945,497.46 and 1,653,404.90 is: 2,480,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296,980.45 : 7,945,497.46 = 1,653,404.90 : x
  2. Step 2: Convert to fraction form
    5,296,980.45/7,945,497.46 = 1,653,404.90/x
  3. Step 3: Cross multiply
    5,296,980.45x = 7,945,497.46 × 1,653,404.90
  4. Step 4: Simplify right side
    5,296,980.45x = 13,137,124,433,301.55
  5. Step 5: Solve for x
    x = 13,137,124,433,301.55/5,296,980.45
  6. Step 6: Final answer
    x = 2,480,115.71

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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.