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Finding the Fourth Proportional to 4,666,807, 6,440,198 and 2,520,631

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Solution

The fourth proportional to 4,666,807, 6,440,198 and 2,520,631 is: 3,478,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666,807 : 6,440,198 = 2,520,631 : x
  2. Step 2: Convert to fraction form
    4,666,807/6,440,198 = 2,520,631/x
  3. Step 3: Cross multiply
    4,666,807x = 6,440,198 × 2,520,631
  4. Step 4: Simplify right side
    4,666,807x = 16,233,362,724,938
  5. Step 5: Solve for x
    x = 16,233,362,724,938/4,666,807
  6. Step 6: Final answer
    x = 3,478,473.12

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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.