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Finding the Fourth Proportional to 5,203,687.78, 7,813,204.86 and 2,902,676.82

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Solution

The fourth proportional to 5,203,687.78, 7,813,204.86 and 2,902,676.82 is: 4,358,295.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203,687.78 : 7,813,204.86 = 2,902,676.82 : x
  2. Step 2: Convert to fraction form
    5,203,687.78/7,813,204.86 = 2,902,676.82/x
  3. Step 3: Cross multiply
    5,203,687.78x = 7,813,204.86 × 2,902,676.82
  4. Step 4: Simplify right side
    5,203,687.78x = 22,679,208,637,033.34
  5. Step 5: Solve for x
    x = 22,679,208,637,033.34/5,203,687.78
  6. Step 6: Final answer
    x = 4,358,295.42

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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.