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Finding the Fourth Proportional to 722,406.71, 996,937.37 and 412,303.07

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Solution

The fourth proportional to 722,406.71, 996,937.37 and 412,303.07 is: 568,987.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,406.71 : 996,937.37 = 412,303.07 : x
  2. Step 2: Convert to fraction form
    722,406.71/996,937.37 = 412,303.07/x
  3. Step 3: Cross multiply
    722,406.71x = 996,937.37 × 412,303.07
  4. Step 4: Simplify right side
    722,406.71x = 411,040,339,710.31
  5. Step 5: Solve for x
    x = 411,040,339,710.31/722,406.71
  6. Step 6: Final answer
    x = 568,987.43

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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.