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Finding the Fourth Proportional to 397,866.09, 596,805.45 and 221,494.11

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Solution

The fourth proportional to 397,866.09, 596,805.45 and 221,494.11 is: 332,244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,866.09 : 596,805.45 = 221,494.11 : x
  2. Step 2: Convert to fraction form
    397,866.09/596,805.45 = 221,494.11/x
  3. Step 3: Cross multiply
    397,866.09x = 596,805.45 × 221,494.11
  4. Step 4: Simplify right side
    397,866.09x = 132,188,891,990.90
  5. Step 5: Solve for x
    x = 132,188,891,990.90/397,866.09
  6. Step 6: Final answer
    x = 332,244.68

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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.