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Finding the Fourth Proportional to 297,176.28, 445,759.32 and 119,678.76

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Solution

The fourth proportional to 297,176.28, 445,759.32 and 119,678.76 is: 179,516.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,176.28 : 445,759.32 = 119,678.76 : x
  2. Step 2: Convert to fraction form
    297,176.28/445,759.32 = 119,678.76/x
  3. Step 3: Cross multiply
    297,176.28x = 445,759.32 × 119,678.76
  4. Step 4: Simplify right side
    297,176.28x = 53,347,922,676.04
  5. Step 5: Solve for x
    x = 53,347,922,676.04/297,176.28
  6. Step 6: Final answer
    x = 179,516.09

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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.