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Finding the Fourth Proportional to 354,357.45, 531,589.73 and 114,391.17

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Solution

The fourth proportional to 354,357.45, 531,589.73 and 114,391.17 is: 171,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,357.45 : 531,589.73 = 114,391.17 : x
  2. Step 2: Convert to fraction form
    354,357.45/531,589.73 = 114,391.17/x
  3. Step 3: Cross multiply
    354,357.45x = 531,589.73 × 114,391.17
  4. Step 4: Simplify right side
    354,357.45x = 60,809,170,602.73
  5. Step 5: Solve for x
    x = 60,809,170,602.73/354,357.45
  6. Step 6: Final answer
    x = 171,604.04

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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.