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Finding the Fourth Proportional to 435,997.08, 601,679.94 and 263,919

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Solution

The fourth proportional to 435,997.08, 601,679.94 and 263,919 is: 364,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,997.08 : 601,679.94 = 263,919 : x
  2. Step 2: Convert to fraction form
    435,997.08/601,679.94 = 263,919/x
  3. Step 3: Cross multiply
    435,997.08x = 601,679.94 × 263,919
  4. Step 4: Simplify right side
    435,997.08x = 158,794,768,084.86
  5. Step 5: Solve for x
    x = 158,794,768,084.86/435,997.08
  6. Step 6: Final answer
    x = 364,210.62

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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.