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Finding the Fourth Proportional to 493,383.50, 680,869.04 and 267,029.00

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Solution

The fourth proportional to 493,383.50, 680,869.04 and 267,029.00 is: 368,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,383.50 : 680,869.04 = 267,029.00 : x
  2. Step 2: Convert to fraction form
    493,383.50/680,869.04 = 267,029.00/x
  3. Step 3: Cross multiply
    493,383.50x = 680,869.04 × 267,029.00
  4. Step 4: Simplify right side
    493,383.50x = 181,811,782,027.86
  5. Step 5: Solve for x
    x = 181,811,782,027.86/493,383.50
  6. Step 6: Final answer
    x = 368,499.92

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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.