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Finding the Fourth Proportional to 598,179.66, 825,458.79 and 356,456.85

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Solution

The fourth proportional to 598,179.66, 825,458.79 and 356,456.85 is: 491,893.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,179.66 : 825,458.79 = 356,456.85 : x
  2. Step 2: Convert to fraction form
    598,179.66/825,458.79 = 356,456.85/x
  3. Step 3: Cross multiply
    598,179.66x = 825,458.79 × 356,456.85
  4. Step 4: Simplify right side
    598,179.66x = 294,240,440,088.21
  5. Step 5: Solve for x
    x = 294,240,440,088.21/598,179.66
  6. Step 6: Final answer
    x = 491,893.09

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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.