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Finding the Fourth Proportional to 578,500,102.05, 798,379,375.56 and 327,649,117.11

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Solution

The fourth proportional to 578,500,102.05, 798,379,375.56 and 327,649,117.11 is: 452,183,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,500,102.05 : 798,379,375.56 = 327,649,117.11 : x
  2. Step 2: Convert to fraction form
    578,500,102.05/798,379,375.56 = 327,649,117.11/x
  3. Step 3: Cross multiply
    578,500,102.05x = 798,379,375.56 × 327,649,117.11
  4. Step 4: Simplify right side
    578,500,102.05x = 261,588,297,521,067,104
  5. Step 5: Solve for x
    x = 261,588,297,521,067,104/578,500,102.05
  6. Step 6: Final answer
    x = 452,183,667.03

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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.