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Finding the Fourth Proportional to 296,794.80, 445,212.72 and 119,302.20

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Solution

The fourth proportional to 296,794.80, 445,212.72 and 119,302.20 is: 178,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,794.80 : 445,212.72 = 119,302.20 : x
  2. Step 2: Convert to fraction form
    296,794.80/445,212.72 = 119,302.20/x
  3. Step 3: Cross multiply
    296,794.80x = 445,212.72 × 119,302.20
  4. Step 4: Simplify right side
    296,794.80x = 53,114,856,963.98
  5. Step 5: Solve for x
    x = 53,114,856,963.98/296,794.80
  6. Step 6: Final answer
    x = 178,961.55

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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.