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Finding the Fourth Proportional to 646,809.45, 886,132.14 and 622,567.49

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Solution

The fourth proportional to 646,809.45, 886,132.14 and 622,567.49 is: 852,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,809.45 : 886,132.14 = 622,567.49 : x
  2. Step 2: Convert to fraction form
    646,809.45/886,132.14 = 622,567.49/x
  3. Step 3: Cross multiply
    646,809.45x = 886,132.14 × 622,567.49
  4. Step 4: Simplify right side
    646,809.45x = 551,677,057,777.47
  5. Step 5: Solve for x
    x = 551,677,057,777.47/646,809.45
  6. Step 6: Final answer
    x = 852,920.53

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.