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Finding the Fourth Proportional to 363,214, 544,821 and 100,558

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Solution

The fourth proportional to 363,214, 544,821 and 100,558 is: 150,837

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,214 : 544,821 = 100,558 : x
  2. Step 2: Convert to fraction form
    363,214/544,821 = 100,558/x
  3. Step 3: Cross multiply
    363,214x = 544,821 × 100,558
  4. Step 4: Simplify right side
    363,214x = 54,786,110,118
  5. Step 5: Solve for x
    x = 54,786,110,118/363,214
  6. Step 6: Final answer
    x = 150,837

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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.