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Finding the Fourth Proportional to 3,529,008, 5,293,512 and 869,616

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Solution

The fourth proportional to 3,529,008, 5,293,512 and 869,616 is: 1,304,424

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529,008 : 5,293,512 = 869,616 : x
  2. Step 2: Convert to fraction form
    3,529,008/5,293,512 = 869,616/x
  3. Step 3: Cross multiply
    3,529,008x = 5,293,512 × 869,616
  4. Step 4: Simplify right side
    3,529,008x = 4,603,322,731,392
  5. Step 5: Solve for x
    x = 4,603,322,731,392/3,529,008
  6. Step 6: Final answer
    x = 1,304,424

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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.