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Finding the Fourth Proportional to 265,446.66, 397,929.33 and 132,367.71

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Solution

The fourth proportional to 265,446.66, 397,929.33 and 132,367.71 is: 198,431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,446.66 : 397,929.33 = 132,367.71 : x
  2. Step 2: Convert to fraction form
    265,446.66/397,929.33 = 132,367.71/x
  3. Step 3: Cross multiply
    265,446.66x = 397,929.33 × 132,367.71
  4. Step 4: Simplify right side
    265,446.66x = 52,672,994,153.93
  5. Step 5: Solve for x
    x = 52,672,994,153.93/265,446.66
  6. Step 6: Final answer
    x = 198,431.56

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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.