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Finding the Fourth Proportional to 355,302.92, 490,324.44 and 194,164.76

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Solution

The fourth proportional to 355,302.92, 490,324.44 and 194,164.76 is: 267,950.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,302.92 : 490,324.44 = 194,164.76 : x
  2. Step 2: Convert to fraction form
    355,302.92/490,324.44 = 194,164.76/x
  3. Step 3: Cross multiply
    355,302.92x = 490,324.44 × 194,164.76
  4. Step 4: Simplify right side
    355,302.92x = 95,203,724,763.11
  5. Step 5: Solve for x
    x = 95,203,724,763.11/355,302.92
  6. Step 6: Final answer
    x = 267,950.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.