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Finding the Fourth Proportional to 622,194.45, 933,653.89 and 262,342.73

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Solution

The fourth proportional to 622,194.45, 933,653.89 and 262,342.73 is: 393,666.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,194.45 : 933,653.89 = 262,342.73 : x
  2. Step 2: Convert to fraction form
    622,194.45/933,653.89 = 262,342.73/x
  3. Step 3: Cross multiply
    622,194.45x = 933,653.89 × 262,342.73
  4. Step 4: Simplify right side
    622,194.45x = 244,937,313,039.78
  5. Step 5: Solve for x
    x = 244,937,313,039.78/622,194.45
  6. Step 6: Final answer
    x = 393,666.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.