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Finding the Fourth Proportional to 526,201.92, 789,214.98 and 189,173.88

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Solution

The fourth proportional to 526,201.92, 789,214.98 and 189,173.88 is: 283,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,201.92 : 789,214.98 = 189,173.88 : x
  2. Step 2: Convert to fraction form
    526,201.92/789,214.98 = 189,173.88/x
  3. Step 3: Cross multiply
    526,201.92x = 789,214.98 × 189,173.88
  4. Step 4: Simplify right side
    526,201.92x = 149,298,859,920.72
  5. Step 5: Solve for x
    x = 149,298,859,920.72/526,201.92
  6. Step 6: Final answer
    x = 283,729.22

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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.