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Finding the Fourth Proportional to 680,716.72, 1,021,186 and 200,993.01

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Solution

The fourth proportional to 680,716.72, 1,021,186 and 200,993.01 is: 301,522.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,716.72 : 1,021,186 = 200,993.01 : x
  2. Step 2: Convert to fraction form
    680,716.72/1,021,186 = 200,993.01/x
  3. Step 3: Cross multiply
    680,716.72x = 1,021,186 × 200,993.01
  4. Step 4: Simplify right side
    680,716.72x = 205,251,247,909.86
  5. Step 5: Solve for x
    x = 205,251,247,909.86/680,716.72
  6. Step 6: Final answer
    x = 301,522.27

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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.