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Finding the Fourth Proportional to 1,166,457, 1,609,710.66 and 629,913

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Solution

The fourth proportional to 1,166,457, 1,609,710.66 and 629,913 is: 869,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,457 : 1,609,710.66 = 629,913 : x
  2. Step 2: Convert to fraction form
    1,166,457/1,609,710.66 = 629,913/x
  3. Step 3: Cross multiply
    1,166,457x = 1,609,710.66 × 629,913
  4. Step 4: Simplify right side
    1,166,457x = 1,013,977,670,972.58
  5. Step 5: Solve for x
    x = 1,013,977,670,972.58/1,166,457
  6. Step 6: Final answer
    x = 869,279.94

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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.