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Finding the Fourth Proportional to 682,448.90, 942,081.46 and 440,849.26

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Solution

The fourth proportional to 682,448.90, 942,081.46 and 440,849.26 is: 608,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,448.90 : 942,081.46 = 440,849.26 : x
  2. Step 2: Convert to fraction form
    682,448.90/942,081.46 = 440,849.26/x
  3. Step 3: Cross multiply
    682,448.90x = 942,081.46 × 440,849.26
  4. Step 4: Simplify right side
    682,448.90x = 415,315,914,500.72
  5. Step 5: Solve for x
    x = 415,315,914,500.72/682,448.90
  6. Step 6: Final answer
    x = 608,567.05

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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.