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Finding the Fourth Proportional to 1,166,461, 1,609,716.18 and 629,917

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Solution

The fourth proportional to 1,166,461, 1,609,716.18 and 629,917 is: 869,285.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,461 : 1,609,716.18 = 629,917 : x
  2. Step 2: Convert to fraction form
    1,166,461/1,609,716.18 = 629,917/x
  3. Step 3: Cross multiply
    1,166,461x = 1,609,716.18 × 629,917
  4. Step 4: Simplify right side
    1,166,461x = 1,013,987,586,957.06
  5. Step 5: Solve for x
    x = 1,013,987,586,957.06/1,166,461
  6. Step 6: Final answer
    x = 869,285.46

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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.