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Finding the Fourth Proportional to 636,190.96, 954,083.96 and 209,647.22

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Solution

The fourth proportional to 636,190.96, 954,083.96 and 209,647.22 is: 314,404.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,190.96 : 954,083.96 = 209,647.22 : x
  2. Step 2: Convert to fraction form
    636,190.96/954,083.96 = 209,647.22/x
  3. Step 3: Cross multiply
    636,190.96x = 954,083.96 × 209,647.22
  4. Step 4: Simplify right side
    636,190.96x = 200,021,049,860.59
  5. Step 5: Solve for x
    x = 200,021,049,860.59/636,190.96
  6. Step 6: Final answer
    x = 314,404.11

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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.