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Finding the Fourth Proportional to 297,166.76, 445,733.76 and 217,286.60

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Solution

The fourth proportional to 297,166.76, 445,733.76 and 217,286.60 is: 325,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,166.76 : 445,733.76 = 217,286.60 : x
  2. Step 2: Convert to fraction form
    297,166.76/445,733.76 = 217,286.60/x
  3. Step 3: Cross multiply
    297,166.76x = 445,733.76 × 217,286.60
  4. Step 4: Simplify right side
    297,166.76x = 96,851,973,215.62
  5. Step 5: Solve for x
    x = 96,851,973,215.62/297,166.76
  6. Step 6: Final answer
    x = 325,917.92

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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.