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Finding the Fourth Proportional to 395,864,269.80, 593,796,404.70 and 108,649,933.80

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Solution

The fourth proportional to 395,864,269.80, 593,796,404.70 and 108,649,933.80 is: 162,974,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,864,269.80 : 593,796,404.70 = 108,649,933.80 : x
  2. Step 2: Convert to fraction form
    395,864,269.80/593,796,404.70 = 108,649,933.80/x
  3. Step 3: Cross multiply
    395,864,269.80x = 593,796,404.70 × 108,649,933.80
  4. Step 4: Simplify right side
    395,864,269.80x = 64,515,940,061,333,016
  5. Step 5: Solve for x
    x = 64,515,940,061,333,016/395,864,269.80
  6. Step 6: Final answer
    x = 162,974,900.70

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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.