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Finding the Fourth Proportional to 496,368.54, 744,553.08 and 211,819.86

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Solution

The fourth proportional to 496,368.54, 744,553.08 and 211,819.86 is: 317,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,368.54 : 744,553.08 = 211,819.86 : x
  2. Step 2: Convert to fraction form
    496,368.54/744,553.08 = 211,819.86/x
  3. Step 3: Cross multiply
    496,368.54x = 744,553.08 × 211,819.86
  4. Step 4: Simplify right side
    496,368.54x = 157,711,129,168.17
  5. Step 5: Solve for x
    x = 157,711,129,168.17/496,368.54
  6. Step 6: Final answer
    x = 317,729.91

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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.