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Finding the Fourth Proportional to 363,212, 544,818 and 100,556

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Solution

The fourth proportional to 363,212, 544,818 and 100,556 is: 150,834

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,212 : 544,818 = 100,556 : x
  2. Step 2: Convert to fraction form
    363,212/544,818 = 100,556/x
  3. Step 3: Cross multiply
    363,212x = 544,818 × 100,556
  4. Step 4: Simplify right side
    363,212x = 54,784,718,808
  5. Step 5: Solve for x
    x = 54,784,718,808/363,212
  6. Step 6: Final answer
    x = 150,834

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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.