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Finding the Fourth Proportional to 436,313.73, 654,470.49 and 136,795.83

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Solution

The fourth proportional to 436,313.73, 654,470.49 and 136,795.83 is: 205,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,313.73 : 654,470.49 = 136,795.83 : x
  2. Step 2: Convert to fraction form
    436,313.73/654,470.49 = 136,795.83/x
  3. Step 3: Cross multiply
    436,313.73x = 654,470.49 × 136,795.83
  4. Step 4: Simplify right side
    436,313.73x = 89,528,833,890.06
  5. Step 5: Solve for x
    x = 89,528,833,890.06/436,313.73
  6. Step 6: Final answer
    x = 205,193.71

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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.