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Finding the Fourth Proportional to 611,814.11, 844,067.93 and 451,051.38

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Solution

The fourth proportional to 611,814.11, 844,067.93 and 451,051.38 is: 622,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,814.11 : 844,067.93 = 451,051.38 : x
  2. Step 2: Convert to fraction form
    611,814.11/844,067.93 = 451,051.38/x
  3. Step 3: Cross multiply
    611,814.11x = 844,067.93 × 451,051.38
  4. Step 4: Simplify right side
    611,814.11x = 380,718,002,384.99
  5. Step 5: Solve for x
    x = 380,718,002,384.99/611,814.11
  6. Step 6: Final answer
    x = 622,277.26

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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.