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Finding the Fourth Proportional to 1,253,611, 1,881,163.68 and 454,954.96

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Solution

The fourth proportional to 1,253,611, 1,881,163.68 and 454,954.96 is: 682,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,611 : 1,881,163.68 = 454,954.96 : x
  2. Step 2: Convert to fraction form
    1,253,611/1,881,163.68 = 454,954.96/x
  3. Step 3: Cross multiply
    1,253,611x = 1,881,163.68 × 454,954.96
  4. Step 4: Simplify right side
    1,253,611x = 855,844,746,787.85
  5. Step 5: Solve for x
    x = 855,844,746,787.85/1,253,611
  6. Step 6: Final answer
    x = 682,703.60

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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.