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Finding the Fourth Proportional to 773,722.54, 1,067,463.39 and 505,606.06

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Solution

The fourth proportional to 773,722.54, 1,067,463.39 and 505,606.06 is: 697,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,722.54 : 1,067,463.39 = 505,606.06 : x
  2. Step 2: Convert to fraction form
    773,722.54/1,067,463.39 = 505,606.06/x
  3. Step 3: Cross multiply
    773,722.54x = 1,067,463.39 × 505,606.06
  4. Step 4: Simplify right side
    773,722.54x = 539,715,958,812.14
  5. Step 5: Solve for x
    x = 539,715,958,812.14/773,722.54
  6. Step 6: Final answer
    x = 697,557.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.