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Finding the Fourth Proportional to 386,367.96, 533,446.66 and 241,394.44

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Solution

The fourth proportional to 386,367.96, 533,446.66 and 241,394.44 is: 333,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,367.96 : 533,446.66 = 241,394.44 : x
  2. Step 2: Convert to fraction form
    386,367.96/533,446.66 = 241,394.44/x
  3. Step 3: Cross multiply
    386,367.96x = 533,446.66 × 241,394.44
  4. Step 4: Simplify right side
    386,367.96x = 128,771,057,760.57
  5. Step 5: Solve for x
    x = 128,771,057,760.57/386,367.96
  6. Step 6: Final answer
    x = 333,286.07

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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.