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Finding the Fourth Proportional to 355,092.28, 490,037.92 and 193,950.02

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Solution

The fourth proportional to 355,092.28, 490,037.92 and 193,950.02 is: 267,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,092.28 : 490,037.92 = 193,950.02 : x
  2. Step 2: Convert to fraction form
    355,092.28/490,037.92 = 193,950.02/x
  3. Step 3: Cross multiply
    355,092.28x = 490,037.92 × 193,950.02
  4. Step 4: Simplify right side
    355,092.28x = 95,042,864,384.76
  5. Step 5: Solve for x
    x = 95,042,864,384.76/355,092.28
  6. Step 6: Final answer
    x = 267,656.80

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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.