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Finding the Fourth Proportional to 297,911.66, 446,727.02 and 108,238.28

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Solution

The fourth proportional to 297,911.66, 446,727.02 and 108,238.28 is: 162,306.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,911.66 : 446,727.02 = 108,238.28 : x
  2. Step 2: Convert to fraction form
    297,911.66/446,727.02 = 108,238.28/x
  3. Step 3: Cross multiply
    297,911.66x = 446,727.02 × 108,238.28
  4. Step 4: Simplify right side
    297,911.66x = 48,352,964,274.33
  5. Step 5: Solve for x
    x = 48,352,964,274.33/297,911.66
  6. Step 6: Final answer
    x = 162,306.38

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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.